Explain the four factors of production. In what way are they rela.pdf
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Explain the four factors of production. In what way are they related to the circular flow diagram? Explain the four factors of production. In what way are they related to the circular flow diagram? Solution The four factors of production are land, labor, capital and entrepreneurship. These factors are used in almost every firm to produce a commodity. The returns to these factors are rent, wages, interest and profits respectively. The land, capital, labor and entrepreneurial services are the factor inputs by the households to a firm. The households in turn gets rent, interest, wages and profits respectively from the firm..
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SKIPPED hich level of biological orga.pdf
SKIPPED hich level of biological organization is composed of several tissues Multiple Choice
organism organ system organ
Solution
3) the answer is organ. Tissue are made up of cells.. Organ are made up of tissues to perform the
particular function..!!
4) the answer is cell which form tissue then many tissue forms organs then similar organ
combines to form organ systems then different organ systems comes from organism..
10) corn belongs to the family of plantae..!! It\'s an angiosperm & monocot comes under grasses
family..
9) the correct order of writing the scientific name is Homo sapeins .. As the first letter should be
capital and the second starting letter should be small. It should be in italics format..
8) the correct order from least to highest is species, genus, family, class, order, phlyum,
Kingdom, domains..!!.
please explain transcription and translationSolutionAnsTran.pdf
please explain transcription and translation
Solution
Ans:
Transcription is the process of making an RNA copy of a gene sequence. This copy, called a
messenger RNA (mRNA) molecule, leaves the cell nucleus and enters the cytoplasm, where it
directs the synthesis of the protein, which it encodes. Translation is the process of translating the
sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein
synthesis. The genetic code describes the relationship between the sequence of base pairs in a
gene and the corresponding amino acid sequence that it encodes. In the cell cytoplasm, the
ribosome reads the sequence of the mRNA in groups of three bases to assemble the protein.
Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the
information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-
messenger RNA is formed, with the involvement of RNA polymerase enzymes. The process
relies on Watson-Crick base pairing, and the resultant single strand of RNA is the reverse-
complement of the original DNA sequence. The pre-messenger RNA is then \"edited\" to
produce the desired mRNA molecule in a process called RNA splicing.
Formation of pre-messenger RNA
The mechanism of transcription has parallels in that of DNA replication. As with DNA
replication, partial unwinding of the double helix must occur before transcription can take place,
and it is the RNA polymerase enzymes that catalyze this process.
Unlike DNA replication, in which both strands are copied, only one strand is transcribed. The
strand that contains the gene is called the sense strand, while the complementary strand is the
antisense strand. The mRNA produced in transcription is a copy of the sense strand, but it is the
antisense strand that is transcribed.
Ribonucleotide triphosphates (NTPs) align along the antisense DNA strand, with Watson-Crick
base pairing (A pairs with U). RNA polymerase joins the ribonucleotides together to form a pre-
messenger RNA molecule that is complementary to a region of the antisense DNA strand.
Transcription ends when the RNA polymerase enzyme reaches a triplet of bases that is read as a
\"stop\" signal. The DNA molecule re-winds to re-form the double helix.
RNA splicing
The pre-messenger RNA thus formed contains introns which are not required for protein
synthesis. The pre-messenger RNA is chopped up to remove the introns and create messenger
RNA (mRNA) in a process called RNA splicing
Alternative splicing
In alternative splicing, individual exons are either spliced or included, giving rise to several
different possible mRNA products. Each mRNA product codes for a different protein isoform;
these protein isoforms differ in their peptide sequence and therefore their biological activity. It is
estimated that up to 60% of human gene products undergo alternative splicing.
Alternative splicing contributes to protein diversity a single gene transcript (RNA) can have
tho.
Please I want a detailed complete answers for each part.Then make.pdf
Please I want a detailed complete answers for each part.Then make sure you provide clear
picture(s) of soultions that I can read. Try making all numbers and letters clrearly readable easy
to recognize. You also can type it which I prefer so I can copy all later, paste them in Microsoft
Word to enlarge & edit if needed. Thanks for all :) 1. Sort the record 9, 34,17,6, 15, 3:8 by using
the following sorting techniques, respectively, 1) QuickSort with a good call for the first pivot
value 2) MergeSort 3) HeapSort (including the details for building 1st Heap, and all 6 heaps) 4)
Binsort (Choose Bins as: 0-9; 10-19, 20-29, 30-39) 5) Radix sort The details of each sorting step
should be ncluded The details of each sorting step should be included
Solution
QuickSort:
QuickSort is a Divide and Conquer algorithm. It picks an element as pivot and partitions the
given array around the picked pivot. There are many different versions of quickSort that pick
pivot in different ways.
The key process in quickSort is partition(). Target of partitions is, given an array and an element
x of array as pivot, put x at its correct position in sorted array and put all smaller elements
(smaller than x) before x, and put all greater elements (greater than x) after x. All this should be
done in linear time
elements:
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 6 17 34 15 38
swapping 15 and 34
15 is choosing pivot
compare with i-1 value
Program
def quickSort(alist):
quickSortHelper(alist,0,len(alist)-1)
def quickSortHelper(alist,first,last):
if first= pivotvalue and rightmark >= leftmark:
rightmark = rightmark -1
if rightmark < leftmark:
done = True
else:
temp = alist[leftmark]
alist[leftmark] = alist[rightmark]
alist[rightmark] = temp
temp = alist[first]
alist[first] = alist[rightmark]
alist[rightmark] = temp
return rightmark
alist = [9,34,17,6,15,8]
quickSort(alist)
print(alist)
Mergesort:
MergeSort is a Divide and Conquer algorithm. It divides input array in two halves, calls itself for
the two halves and then merges the two sorted halves. The merge() function is used for merging
two halves. The merge(arr, l, m, r) is key process that assumes that arr[l..m] and arr[m+1..r] are
sorted and merges the two sorted sub-arrays into one. See following C implementation for
details.
9 34 17 6 15 38
divide two parts
9 34 17 6 15 38
divide separate parts
9 34 17 6 15 38
compare two elements in each section
9 34 17 6 15 38
compare section to section
9 17 34 6 15 38
compare two section
6 9 15 17 34 38
Merges two subarrays of arr[].
# First subarray is arr[l..m]
# Second subarray is arr[m+1..r]
def merge(arr, l, m, r):
n1 = m - l + 1
n2 = r- m
# create temp arrays
L = [0] * (n1)
R = [0] * (n2)
# Copy data to temp arrays L[] and R[]
for i in range(0 , n1):
L[i] = arr[l + i]
for j in range(0 , n2):
R[j] = arr[m + 1 + j]
# Merge the temp arrays back into arr[l..r]
i = 0 # Initial index of first subarray
j = 0 # Initial index of second.
Please answer all of #5 After the completion of S phase, F.2F functi.pdf
Please answer all of #5 After the completion of S phase, F.2F function is no longer needed. pRb
must be dephosphorylated so that it can once again bind to E2F. Name the type of enzyme
responsible for removing phosphate groups from proteins. Knowing what you know about the
cell cycle, explain why the RB gene would be considered a tumor suppressor gene. Below are
listed four different mechanisms of regulating of cyclin/CDK activity. For each mechanism
explain how that mechanism regulates cyclin/CDK activity. Phosphorylation by WeeI
Dephosphorylation by Cdc 25 Binding by a cyclin dependent kinase inhibitor Degradation of
cyclins by the proteasome
Solution
5. A. Wee1 is a nuclear kinase belonging to the Ser/Thr family of protein kinases in the fission
yeast Schizosaccharomyces pombe (S. pombe). It has a molecular mass of 96 kDa and it is a key
regulator of cell cycle progression. It influences cell size by inhibiting the entry into mitosis,
through inhibiting Cdk1. It has homologues in many other organisms, including mammals.
Wee1 inhibits Cdk1 by phosphorylating it on two different sites, Tyr15 and Thr14. Cdk1 is
crucial for the cyclin-dependent passage of the various cell cycle checkpoints. At least three
checkpoints exist for which the inhibition of Cdk1 by Wee1 is important:
B. Cdc25 is a dual-specificity phosphatase first isolated from the yeast Schizosaccharomyces
pombe as a cell cycle defective mutant. As with other cell cycle proteins such as Cdc2 and Cdc4,
the \"cdc\" in its name refers to \"cell division cycle\". Dual-specificity phosphatases are
considered a sub-class of protein tyrosine phosphatases. By removing inhibitory phosphate
residues from target Cyclin-Dependent Kinases (Cdks), Cdc25 proteins control entry into and
progression through various phases of the cell cycle, including mitosis and S (\"Synthesis\")
phase.
Cdc25 activates cyclin dependent kinases by removing phosphate from residues in the Cdk
active site. Also, the phosphorylation of M-Cdk (a complex of Cdk1 and cyclin B) activates
Cdc25. Together with Wee1, M-Cdk activation is switch-like. The switch-like behavior forces
entry into mitosis to be quick and irreversible. Cdk activity can be reactivated after
dephosphorylation by Cdc25. The Cdc25 enzymes Cdc25A-C are known to control the
transitions from G1 to S phase and G2 to M phase.
C. A cyclin-dependent kinase inhibitor (CKI) is a protein that interacts with a cyclin-CDK
complex to block kinase activity, usually during G1 or in response to signals from the
environment or from damaged DNA. In animal cells, there are two major CKI families: the
INK4 family and the CIP/KIP family. The INK4 family proteins are strictly inhibitory and bind
CDK monomers. Crystal structures of CDK6-INK4 complexes show that INK4 binding twists
the CDK to distort cyclin binding and kinase activity. The CIP/KIP family proteins bind both the
cyclin and the CDK of a complex and can be inhibitory or activating. CIP/KIP family proteins
activate c.
Consider the security of a computer belonging to a criminal organiza.pdf
Consider the security of a computer belonging to a criminal organization. List a few of the
attackers who might break into the computer, their incentives, and the associated costs and risks
to the attacker.
Solution
1) The intelligence bureau like FBI can employ attackers to break the security of computer of the
criminal organisation. Their incentives is to foil any potential threat ot attack which may concern
safety of public. Cost can be high as attackers can demand huge money to use their skills. Risk
will be minimum as attackers are ethical hackers and they have govt backing .
2) Some other competitor crimainal or some indivial vigilante type of organisation like
anonymous group can try to hack their computer as they want to foil their attempt. Their cost and
risk will be much more, as criminal can identify and attack them directly..
Match the bones in column A with the characteristics in column B. Pla.pdf
Match the bones in column A with the characteristics in column B. Place the letter of your
choice in the space provided. a. Inferior nasal concha b. Lacrimal bone c. Mandible d. Nasal
bone f. Palatine bone g. Vomer bone h. Zygomatic bone
Solution
A. Inferior nasal conchae- scroll shaped bone in nasal passage
B. Lacrimal bone- small bone in the medial wall of orbit
C. Mandible- contains mental foramen , only movable bone in facial skeleton
D. Maxilla- contains sockets of upper teeth forms anterior roof of mouth , forms anterior portion
of the zygomatic arch,
E. Nasal bone- forms bridge of nose
F. Palatine bone- forms posterior roof of mouth
G. Vomer bone- forms inferior portion of nasal septum
H. Zygomatic bone- creates prominence of cheek inferior and lateral to the eye.
Is the mean age at which American children learn to walk less than 15.pdf
Is the mean age at which American children learn to walk less than 15 month? A study of 40
American children found a mean walking age of x = 13.2 months. If the population of all
American children is Normally distributed with mean age mu until they begin to walk and
standard deviation sigma, which of the following null and alternative hypotheses should we test
to answer this question? H0: mu = 13.2 vs.H0: mu
Solution
We Look for \"less than 15\", which is depicted in alternative hypothesis in only option (D).
Introduction to material science What kind of analyses methods will .pdf
Introduction to material science What kind of analyses methods will you take to examine the
lattice constants surface morphology with 1-10 mu m dislocation preferred orientation?
Solution
a) For lattice constant X-ray diffraction (XRD) is the best technique to analyse.
The atomic planes of a crystal cause an incident beam of X-rays to interfere with one another as
they leave the crystal. This phenomenon is known as X-ray diffraction. X-ray diffraction has
been in use in two main areas, for the fingerprint characterization of crystalline materials and
determination of their structure. Each crystalline solid has its unique characteristic X-ray powder
pattern which may be used as a “fingerprint” for its identification.
b) For surface morphology Scanning electron microscopy (SEM) is the best technique to analyse.
Scanning electron microscope is an instrument where entire primary electron beams emitted
from an electron source are scanned on sample and a scanning image is obtained from a
detection signal produced by secondary particles generated from the sample. Scanning electron
microscope actually capable of obtaining a scanning image with high spatial resolution within a
low acceleration voltage region
c) For dislocation Weak-Beam Dark-Field is the best methdo to analyse.
d)For orientation Geiger counter xray spectrometer is the best device to use..
Recommended
SKIPPED hich level of biological orga.pdf
SKIPPED hich level of biological organization is composed of several tissues Multiple Choice
organism organ system organ
Solution
3) the answer is organ. Tissue are made up of cells.. Organ are made up of tissues to perform the
particular function..!!
4) the answer is cell which form tissue then many tissue forms organs then similar organ
combines to form organ systems then different organ systems comes from organism..
10) corn belongs to the family of plantae..!! It\'s an angiosperm & monocot comes under grasses
family..
9) the correct order of writing the scientific name is Homo sapeins .. As the first letter should be
capital and the second starting letter should be small. It should be in italics format..
8) the correct order from least to highest is species, genus, family, class, order, phlyum,
Kingdom, domains..!!.
please explain transcription and translationSolutionAnsTran.pdf
please explain transcription and translation
Solution
Ans:
Transcription is the process of making an RNA copy of a gene sequence. This copy, called a
messenger RNA (mRNA) molecule, leaves the cell nucleus and enters the cytoplasm, where it
directs the synthesis of the protein, which it encodes. Translation is the process of translating the
sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein
synthesis. The genetic code describes the relationship between the sequence of base pairs in a
gene and the corresponding amino acid sequence that it encodes. In the cell cytoplasm, the
ribosome reads the sequence of the mRNA in groups of three bases to assemble the protein.
Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the
information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-
messenger RNA is formed, with the involvement of RNA polymerase enzymes. The process
relies on Watson-Crick base pairing, and the resultant single strand of RNA is the reverse-
complement of the original DNA sequence. The pre-messenger RNA is then \"edited\" to
produce the desired mRNA molecule in a process called RNA splicing.
Formation of pre-messenger RNA
The mechanism of transcription has parallels in that of DNA replication. As with DNA
replication, partial unwinding of the double helix must occur before transcription can take place,
and it is the RNA polymerase enzymes that catalyze this process.
Unlike DNA replication, in which both strands are copied, only one strand is transcribed. The
strand that contains the gene is called the sense strand, while the complementary strand is the
antisense strand. The mRNA produced in transcription is a copy of the sense strand, but it is the
antisense strand that is transcribed.
Ribonucleotide triphosphates (NTPs) align along the antisense DNA strand, with Watson-Crick
base pairing (A pairs with U). RNA polymerase joins the ribonucleotides together to form a pre-
messenger RNA molecule that is complementary to a region of the antisense DNA strand.
Transcription ends when the RNA polymerase enzyme reaches a triplet of bases that is read as a
\"stop\" signal. The DNA molecule re-winds to re-form the double helix.
RNA splicing
The pre-messenger RNA thus formed contains introns which are not required for protein
synthesis. The pre-messenger RNA is chopped up to remove the introns and create messenger
RNA (mRNA) in a process called RNA splicing
Alternative splicing
In alternative splicing, individual exons are either spliced or included, giving rise to several
different possible mRNA products. Each mRNA product codes for a different protein isoform;
these protein isoforms differ in their peptide sequence and therefore their biological activity. It is
estimated that up to 60% of human gene products undergo alternative splicing.
Alternative splicing contributes to protein diversity a single gene transcript (RNA) can have
tho.
Please I want a detailed complete answers for each part.Then make.pdf
Please I want a detailed complete answers for each part.Then make sure you provide clear
picture(s) of soultions that I can read. Try making all numbers and letters clrearly readable easy
to recognize. You also can type it which I prefer so I can copy all later, paste them in Microsoft
Word to enlarge & edit if needed. Thanks for all :) 1. Sort the record 9, 34,17,6, 15, 3:8 by using
the following sorting techniques, respectively, 1) QuickSort with a good call for the first pivot
value 2) MergeSort 3) HeapSort (including the details for building 1st Heap, and all 6 heaps) 4)
Binsort (Choose Bins as: 0-9; 10-19, 20-29, 30-39) 5) Radix sort The details of each sorting step
should be ncluded The details of each sorting step should be included
Solution
QuickSort:
QuickSort is a Divide and Conquer algorithm. It picks an element as pivot and partitions the
given array around the picked pivot. There are many different versions of quickSort that pick
pivot in different ways.
The key process in quickSort is partition(). Target of partitions is, given an array and an element
x of array as pivot, put x at its correct position in sorted array and put all smaller elements
(smaller than x) before x, and put all greater elements (greater than x) after x. All this should be
done in linear time
elements:
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 34 17 6 15 38
9 6 17 34 15 38
swapping 15 and 34
15 is choosing pivot
compare with i-1 value
Program
def quickSort(alist):
quickSortHelper(alist,0,len(alist)-1)
def quickSortHelper(alist,first,last):
if first= pivotvalue and rightmark >= leftmark:
rightmark = rightmark -1
if rightmark < leftmark:
done = True
else:
temp = alist[leftmark]
alist[leftmark] = alist[rightmark]
alist[rightmark] = temp
temp = alist[first]
alist[first] = alist[rightmark]
alist[rightmark] = temp
return rightmark
alist = [9,34,17,6,15,8]
quickSort(alist)
print(alist)
Mergesort:
MergeSort is a Divide and Conquer algorithm. It divides input array in two halves, calls itself for
the two halves and then merges the two sorted halves. The merge() function is used for merging
two halves. The merge(arr, l, m, r) is key process that assumes that arr[l..m] and arr[m+1..r] are
sorted and merges the two sorted sub-arrays into one. See following C implementation for
details.
9 34 17 6 15 38
divide two parts
9 34 17 6 15 38
divide separate parts
9 34 17 6 15 38
compare two elements in each section
9 34 17 6 15 38
compare section to section
9 17 34 6 15 38
compare two section
6 9 15 17 34 38
Merges two subarrays of arr[].
# First subarray is arr[l..m]
# Second subarray is arr[m+1..r]
def merge(arr, l, m, r):
n1 = m - l + 1
n2 = r- m
# create temp arrays
L = [0] * (n1)
R = [0] * (n2)
# Copy data to temp arrays L[] and R[]
for i in range(0 , n1):
L[i] = arr[l + i]
for j in range(0 , n2):
R[j] = arr[m + 1 + j]
# Merge the temp arrays back into arr[l..r]
i = 0 # Initial index of first subarray
j = 0 # Initial index of second.
Please answer all of #5 After the completion of S phase, F.2F functi.pdf
Please answer all of #5 After the completion of S phase, F.2F function is no longer needed. pRb
must be dephosphorylated so that it can once again bind to E2F. Name the type of enzyme
responsible for removing phosphate groups from proteins. Knowing what you know about the
cell cycle, explain why the RB gene would be considered a tumor suppressor gene. Below are
listed four different mechanisms of regulating of cyclin/CDK activity. For each mechanism
explain how that mechanism regulates cyclin/CDK activity. Phosphorylation by WeeI
Dephosphorylation by Cdc 25 Binding by a cyclin dependent kinase inhibitor Degradation of
cyclins by the proteasome
Solution
5. A. Wee1 is a nuclear kinase belonging to the Ser/Thr family of protein kinases in the fission
yeast Schizosaccharomyces pombe (S. pombe). It has a molecular mass of 96 kDa and it is a key
regulator of cell cycle progression. It influences cell size by inhibiting the entry into mitosis,
through inhibiting Cdk1. It has homologues in many other organisms, including mammals.
Wee1 inhibits Cdk1 by phosphorylating it on two different sites, Tyr15 and Thr14. Cdk1 is
crucial for the cyclin-dependent passage of the various cell cycle checkpoints. At least three
checkpoints exist for which the inhibition of Cdk1 by Wee1 is important:
B. Cdc25 is a dual-specificity phosphatase first isolated from the yeast Schizosaccharomyces
pombe as a cell cycle defective mutant. As with other cell cycle proteins such as Cdc2 and Cdc4,
the \"cdc\" in its name refers to \"cell division cycle\". Dual-specificity phosphatases are
considered a sub-class of protein tyrosine phosphatases. By removing inhibitory phosphate
residues from target Cyclin-Dependent Kinases (Cdks), Cdc25 proteins control entry into and
progression through various phases of the cell cycle, including mitosis and S (\"Synthesis\")
phase.
Cdc25 activates cyclin dependent kinases by removing phosphate from residues in the Cdk
active site. Also, the phosphorylation of M-Cdk (a complex of Cdk1 and cyclin B) activates
Cdc25. Together with Wee1, M-Cdk activation is switch-like. The switch-like behavior forces
entry into mitosis to be quick and irreversible. Cdk activity can be reactivated after
dephosphorylation by Cdc25. The Cdc25 enzymes Cdc25A-C are known to control the
transitions from G1 to S phase and G2 to M phase.
C. A cyclin-dependent kinase inhibitor (CKI) is a protein that interacts with a cyclin-CDK
complex to block kinase activity, usually during G1 or in response to signals from the
environment or from damaged DNA. In animal cells, there are two major CKI families: the
INK4 family and the CIP/KIP family. The INK4 family proteins are strictly inhibitory and bind
CDK monomers. Crystal structures of CDK6-INK4 complexes show that INK4 binding twists
the CDK to distort cyclin binding and kinase activity. The CIP/KIP family proteins bind both the
cyclin and the CDK of a complex and can be inhibitory or activating. CIP/KIP family proteins
activate c.
Consider the security of a computer belonging to a criminal organiza.pdf
Consider the security of a computer belonging to a criminal organization. List a few of the
attackers who might break into the computer, their incentives, and the associated costs and risks
to the attacker.
Solution
1) The intelligence bureau like FBI can employ attackers to break the security of computer of the
criminal organisation. Their incentives is to foil any potential threat ot attack which may concern
safety of public. Cost can be high as attackers can demand huge money to use their skills. Risk
will be minimum as attackers are ethical hackers and they have govt backing .
2) Some other competitor crimainal or some indivial vigilante type of organisation like
anonymous group can try to hack their computer as they want to foil their attempt. Their cost and
risk will be much more, as criminal can identify and attack them directly..
Match the bones in column A with the characteristics in column B. Pla.pdf
Match the bones in column A with the characteristics in column B. Place the letter of your
choice in the space provided. a. Inferior nasal concha b. Lacrimal bone c. Mandible d. Nasal
bone f. Palatine bone g. Vomer bone h. Zygomatic bone
Solution
A. Inferior nasal conchae- scroll shaped bone in nasal passage
B. Lacrimal bone- small bone in the medial wall of orbit
C. Mandible- contains mental foramen , only movable bone in facial skeleton
D. Maxilla- contains sockets of upper teeth forms anterior roof of mouth , forms anterior portion
of the zygomatic arch,
E. Nasal bone- forms bridge of nose
F. Palatine bone- forms posterior roof of mouth
G. Vomer bone- forms inferior portion of nasal septum
H. Zygomatic bone- creates prominence of cheek inferior and lateral to the eye.
Is the mean age at which American children learn to walk less than 15.pdf
Is the mean age at which American children learn to walk less than 15 month? A study of 40
American children found a mean walking age of x = 13.2 months. If the population of all
American children is Normally distributed with mean age mu until they begin to walk and
standard deviation sigma, which of the following null and alternative hypotheses should we test
to answer this question? H0: mu = 13.2 vs.H0: mu
Solution
We Look for \"less than 15\", which is depicted in alternative hypothesis in only option (D).
Introduction to material science What kind of analyses methods will .pdf
Introduction to material science What kind of analyses methods will you take to examine the
lattice constants surface morphology with 1-10 mu m dislocation preferred orientation?
Solution
a) For lattice constant X-ray diffraction (XRD) is the best technique to analyse.
The atomic planes of a crystal cause an incident beam of X-rays to interfere with one another as
they leave the crystal. This phenomenon is known as X-ray diffraction. X-ray diffraction has
been in use in two main areas, for the fingerprint characterization of crystalline materials and
determination of their structure. Each crystalline solid has its unique characteristic X-ray powder
pattern which may be used as a “fingerprint” for its identification.
b) For surface morphology Scanning electron microscopy (SEM) is the best technique to analyse.
Scanning electron microscope is an instrument where entire primary electron beams emitted
from an electron source are scanned on sample and a scanning image is obtained from a
detection signal produced by secondary particles generated from the sample. Scanning electron
microscope actually capable of obtaining a scanning image with high spatial resolution within a
low acceleration voltage region
c) For dislocation Weak-Beam Dark-Field is the best methdo to analyse.
d)For orientation Geiger counter xray spectrometer is the best device to use..
Is this a Cohort Study What would be an example of a Cohort study.pdf
Is this a Cohort Study? What would be an example of a Cohort study?
1)
Solution
Cohort studies, case control studies and randomized controlled trials
When people read about a research study, they may not pay attention to how the study was
designed. But to understand the quality of the findings, it\'s important to know a bit about study
design.
According to the widely-accepted hierarchy of evidence, the most reliable evidence comes from
systematic reviews (see Infocus, Summer 2004), followed by evidence from randomized
controlled clinical trials, cohort studies and then case control studies.
Research studies typically fall into one of two main categories:
Observational studies
Here researchers observe the effect of a risk factor, diagnostic test or treatment without trying to
influence what happens. Such studies are usually \"retrospective\".
Function of medium veins Function of medium veinsSolution.pdf
Function of medium veins?
Function of medium veins?
Solution
the mediumsized veins are the elastic blood vessel that transports deoxygenated blood to heart
from tissues.these medium veins passes between the large veins and small venules.example of
medium sized veins are external carotid artery..
Discrete Math problem37 students use a variety of forms of transp.pdf
Discrete Math problem:
37 students use a variety of forms of transportation to get to school everyday. 20 of them
sometimes arrive to school by car;12 students bike to school at least occasionally;16 students
take the bus somedays. If four students use all three of these options,two either bike or take the
bus,six come by car or bike,and five arrive by car when they do not come on the bus,how many
students always use some other type of transportation?
Solution.
Discuss the involvement of interest groups in the political circumst.pdf
Discuss the involvement of interest groups in the political circumstances that affect \"agenda
setting.\" You should incorporate the specific ways they influence agenda setting in your
response.
Solution
Agenda setting is the ability to influence the importance of topics on public agenda.
The involvement of interest groups in the political circumstances that affect \"agenda setting\",
gives more depth and gravity to the process. It makes the process more relevant and germane.
Most importnatly, it gives the matter a practical feel and a tangible feel. The agenda becomes
identifiable due to the involvement of interest groups.
For example people in India are demanding one rank one pension (OROP) for army and defense
personnels, on the same lines as civic officials. The involvement of retired defense personnel
(interest groups) has given the process a more relevant outlook. More political parties are
involved now.
The ways in which the agenda setting can be done are: first level agenda setting - here the
importnace is given to the issue on hand. The next level or the second level of agenda setting
gives importance to the attributes of the agenda. This level considers how opinion are affected by
the agenda..
Determine which of these statements describing the cytochrome P450 f.pdf
Determine which of these statements describing the cytochrome P450 family of enzymes or the
mechanism of action are true.
a) The iron in cytochrome P450s can exist in both Fe2 and Fe3 states in a single catalytic cycle.
b) The coenzyme NADPH can serve as a source of electrons for cytochrome P450s.
c) Fe3 acts as a general base during the catalytic cycle.
d) Each cytochrome P450 isoform can act on only one specific organic substrate.
e) Cytochrome P450 uses molecular oxygen (O2) as a reactant.
f) The activity of cytochrome P450 generally results in carboxylated products.
Please include an explanation with your answer! Thank you.
Solution
Cytochrome P450 is a class of enzymes essential for many metabolic reactions. This includes
about 50 enzymes. ‘Heme’ is the cofactor of all these enzymes, means ‘heme’ is present in the
active site of the enzyme. ‘Heme’ shifts from Ferrous and ferric states as electrons are accepted
and donated. So, statement (a) is totally correct. And this iron component is present in the centre
of porphyrin ring. So, single/same catalytic site is there for ferrous and ferric.
In mitochondria, electrons are transferred from NADPH by cytochrome P450 reductase. So,
statement (b) is correct.
Base is anything which accepts protons. Fe3 (ferric) accepts protons from oxygen in
mitochondria. So, statement (c) is also correct.
Statement (d) is incorrect. There are several isoforms of P450. Among these CYP3A4 is the most
important. It metabolizes nearly half of the total drugs used in clinical biology nowadays. These
include codeine, acetaminophen, erythromycin etc. So, one isoform would act on many organic
substrates.
Statement (e) is correct. Yes, it uses molecular oxygen, and converts it to water.
Statement (f) is incorrect. Activity of cytochrome P450 resulted in formation of water (by
reduction of oxygen); this is not a carboxylated product..
Describe the difference between the lytic cycle and lysogeny when bac.pdf
Describe the difference between the lytic cycle and lysogeny when bacteriophage infection
occurs. Sort these items into the proper categories.
Solution
Lytic cycle: Integration of phage DNA into the bacterial chromosome does not occur, no
extensive latent period.
Lysogenic cycle: Integration of phage DNA into the bacterial chromosome occurs, extensive
latent period..
Describe some of the different ways members of Congress can represen.pdf
Describe some of the different ways members of Congress can represent the American people.
What are the principles behind sociological and agency representation? What are some examples
of each type? Describe the difference between a trustee and a delegate. Which type of
representation do you believe is the best? Describe the electoral connection in Congress.
Describe some examples of constituency service. What are some of the ways a member of
Congress can directly aid their state or district? What effect do incumbency and redistricting
have in the makeup of Congress?
Solution
Congress is the most important representative institution in american government. It is the voice
of the american people. Members of congress consider different views and demands as they
reprsents their district. Member of congress regularly reach out to their constituents and devote a
great amount of staff amount to constituency service . teh farmers of the constitution provided
for bicameral legislature with House and Senate to serve different constituencies . They are Law
and Policy makers and on the other hand represent the needs and the best interest of their
particular constituents.
The Snete is choosen by the state legislatures and serve a total six year term represents the elite
member of society . While the house who are elected by voters in congressional districts serves a
two year term represent the people or well organized local interests.
Sociological representation is a type of representation in which representative have similar racial
, ethnic , religious or educational background as their constituents . Sociological likeness helps
promote good represntation by the government . On the other hand agency representation act as
an agent of his or her constituency. Constituent hire their agency representative and if the
constituent feel they are not being represnted well they can fire their representative .
There are two different ways elected legistators in congress can act. One way is to act as a trustee
. this mean that the legistators will vote and act according to their own personal belief and what
they feel is best for society Unlike the trustee a delegate vote according to whom they represents
. The deligate connects to their constituents completely tries hard to epathize with their feelings
and wants to be liked by the constituents ..
Company B Company C None of them satisfy the requirements. Question9 .pdf
Company B Company C None of them satisfy the requirements. Question9 The 3-way switch on
the Board of Education board should be set to position positionwhen downloading your code.
making modifications to your breadboard and 0 cut of 5 points Selected Answer: 1,o Answers 0,
1 1,0 0, 2 1, 2
Solution
Position 0 (left): is to power OFF while making modifications (adding or changing components).
Position 1 (middle): while LOADING the program.
Position 2 (right): when you\'re READY for the robot to start moving.
So, Answer is 0, 1..
Case 2S [symptoms] 10 month male presents to pediatrician’s offic.pdf
Case 2
S [symptoms]: 10 month male presents to pediatrician’s office with chief complaint of fever and
rash. In usual state of health until 4 days prior to presentation when developed fever, fussiness
and decreased appetite. Mom thought maybe had thrush again because she noted some white
spots in his mouth a day after the fever started but they went away on their own. Last night she
noticed that his eyes started to appear more red and irritated, is now coughing and very
congested and this morning developed rash on face prompting visit
ROS [review of systems]: as above, no emesis, no constipation or diarrhea, +fewer wet diapers
than usual
PMHx [past medical history]: full term, uncomplicated pregnancy and delivery, neonatal
jaundice but did not require phototherapy, thrush at 6 weeks and 3 months of age treated with
nystatin
SHx [social history]: lives with parents and 2 yo sibling who is enrolled in child care. Flew to
California with family 3 weeks ago to visit grandparents, no other travel hx.
Imm: UTD [up to date]
Exam: T- 39.8 [temperature, C]; R -34 [respiratory rate]; P -120 [pulse]; BP-85/62 [blood
pressure]; Pox-98% in room air [pulse oximetry, oxygenation of blood]
Gen [general]: Alert, fussy infant on mom’s lap, crying with exam
HEENT [head, eyes, ear, nose, throat]: Normocephalic/atraumatic, anterior fontanelle fibrous but
flat, extraocular movements intact, pupils equal and reactive to light, +conjunctival erythema
bilaterally without discharge or crusting, nares congested, oropharynx erythematous with
sloughing of buccal and labial mucosa. Tympanic membranes erythematous but with intact
landmarks and light reflex
Neck: supple full range of motion, +1cm bilateral anterior cervical lymphadenopathy
RESP [respiratory]: mildly tachypneic with fair air exchange all fields, +subcostal retractions no
intracostal or suprasternal accessory muscle use, diffuse crackles audible on auscultation all lung
fields no wheezing or rhonchi
COR [cardiac]: tachycardic, regular, nl s1 and split s2, no murmurs, rubs or gallops
Abdomen: soft, normoactive bowel sounds, nontender non distended, no hepatosplenomegaly, no
masses
GU [genital/urinary]: circumcised tanner I male, no rashes
Skin: diffuse erythematous blanching maculopapular rash most prominent/confluent on face,
neck, and upper trunk, palms and soles spared, no desquamation
Extremities: warm and well perfused
a) What were the spots in the infant’s mouth that the mother mistook for thrush?
b) What is your diagnosis, and which symptoms lead you to this conclusion?
c) Which tests will you order to confirm this diagnosis (give the name and state what is being
measured)?
d) The patient is up to date on his vaccinations, so why was he susceptible to this disease? Where
did he likely contract the disease?
e) In an uncomplicated form, this condition is not usually fatal, but what can cause fatalities for
patients with this infection?
f) A similar patient might be admitted to the hospital or might not fo.
A Correlation of zero means that (what)SolutionA value of zer.pdf
A Correlation of zero means that? (what)
Solution
A value of zero indicates that there is no relationship between the two variables.
If the correlation coefficient of two variables is zero, it signifies that there is no linear
relationship between the variables. However, this is only for a linear relationship.
A bank had 5024 depositers, with an avevrage account of $512. Assume.pdf
A bank had 5024 depositers, with an avevrage account of $512. Assume the standard deviation is
$150. Find the mean and standard deviation of the sampling distribution of the average balance
for a random sampling of 1000 depositors. (Finite population corrector needed)
Solution
mean and standard deviation of the sampling distribution
Mean = 512
Standard deviation = s.d/Sqrt(n) = 150/Sqrt(1000) = 4.7434.
You cut your finger, and your skin cells divide to heal up the wou.pdf
You cut your finger, and your skin cells divide to heal up the wound. What type of nuclear
division is happening in the skin cells? (Mitosis or meiosis?) and why.
You cut your finger, and your skin cells divide to heal up the wound. What type of nuclear
division is happening in the skin cells? (Mitosis or meiosis?) and why.
Solution
When we cut our finger the skin cells undergo mitotic division to heal up the wound, because
skin is a somatic cell not a germ cell. Only germ cells like egg cell and sperm cells undergo
meiosis as these cells are the only haploid and give rise to a new organism with n+n = 2n number
of chromosomes. In our body rest all cells divide by mitosis, as mitosis ensures that
(2n)chromosomes after dividing are distributed evenly between two cells and maintain the
idenity of the cell while dividing..
You have found a layer in a site with a 2 points Save Answer to 1.2 s.pdf
You have found a layer in a site with a 2 points Save Answer to 1.2 species of fossil known as
Rex. This of fossil has been found in many sites in the region, and has been dated to 1.2 - 1.3
million years ago. Using biostratigraphy, you can use this information to say that the Snagglus
Rex fossil you found must be a male. the fossil and the layer you found must be at least 500.000
years older than the snagglus Rex fossils in the same region. nothing information on snagglus
Rex in the same region does not give you any information at all about snagglus Rex you found.
the fossil and the layer you found also must date the to 1.2 - 1.3 million years ago. You have
found some human bones in which all the epiphyses of the long bones are fused, and the
mandible has all its teeth, including the wisdom teeth. This means you know you have found
male. female. juvenile. an adult. A fossil is Preserved soft parts of the body only, such as a
mummy, but not preserved bones. An early from of insectivore. The remains or traces of an
ancient organism, including fossilized bones, casts, and mummies. Anyone over 40.
Solution
You have found a layer in a site with a species of fossil known as Snagglus Rex. This species of
fossil has been found in many sites in the region, and has been dated to 1.2 - 1.3 million years
ago. Using biostratigraphy, you can use this information to say that
a.
the Snagglus Rex fossil you found must be a male.
b.
nothing -- information on Snagglus Rex in the same region does not give you any information at
all about the Snagglus Rex you found.
c.
the fossil and the layer you found must be at least 500,000 years older than the Snagglus Rex
fossils in the same region.-answer
d.
the fossil and the layer you found also must date to 1.2 - 1.3 million years ago.
Question 29
Answer : an adult
Long bones have three unmistakable areas the diaphysis, or shaft; the metaphysis, or the flared
end of the pole; and the epiphysis, or end top of the bone. Long bone development happens at the
epiphyseal or development plate, situated between the metaphysis and epiphysis.The
development plate itself is comprised of a framework of ligament. Osteoblasts, the fibroblast-like
cells in charge of bone creation, are set down on this platform. The osteoblasts create a collagen
network that is then mineralized to wind up distinctly new bone. On the off chance that
development is as yet progressing, more ligament is set down on that bone as the development
plate moves more distant far from the focal point of the pole, and the procedure rehashes. At the
point when development is at last achieved, development stops and the epiphysis and
metaphysispermanently fuse together
===================
Question 30
Answer : the remains o traces of an accent organism including fossilized bones, casts an
dmummies
a.
the Snagglus Rex fossil you found must be a male.
b.
nothing -- information on Snagglus Rex in the same region does not give you any information at
all about the Snagglus.
Which of the following is an amino acid side chains can receives a t.pdf
Which of the following is an amino acid side chains can receives a terminal phosphate from an
ATP molecule?
Serine
Threonine
Tyrosine
None of the above
All of the aboveA.
SerineB.
ThreonineC.
TyrosineD.
None of the aboveE.
All of the above
Solution
Answer: E. All of the above
Explanation:
While phosphorylation is a prevalent post-translational modification (PTM) for regulating
protein function, it only occurs at the side chains of three amino acids, serine, threonine and
tyrosine, in eukaryotic cells. These amino acids have a nucleophilic (–OH) group that attacks the
terminal phosphate group (-PO32-) on the universal phosphoryl donor adenosine triphosphate
(ATP), resulting in the transfer of the phosphate group to the amino acid side chain..
When animals die, muscles stiffen in rigor mortis because1. actin .pdf
When animals die, muscles stiffen in rigor mortis because
1. actin and myosin cannot bind without ATP.
2. actin and myosin cannot separate without ATP.
3. ATP forms cross-bridges between filaments.
Solution
Answer : The correct answer is 2 (actin and myosin cannot separate without ATP).Explanation :
After the death, ATP synthesis stops as breathing stops. However, so the crossbridges cannot
detach from actin. The resulting condition, in which muscles are in a state of rigidity( cannot
contract or stretch) is called rigor mortis..
What isThe difference between multiple independent variables and mul.pdf
What isThe difference between multiple independent variables and multiple levels of
independent variables are that multiple independent variables
Solution
The independent variables can be of different types, and these different types can be
present in the same study. Qualitative independent variables describe different
kinds of treatments.
Independent variables cannot be manipulated by the researcher. If more than one independent
variable is
examined, the independent variables may interact in such a way that the effect of one
or more variables depends upon the levels of one or more dependent variables.
1) A person who is shot in the head and the bullet goes through the .pdf
1) A person who is shot in the head and the bullet goes through the cerebral cortex in the parietal
lobe makes a lesion that results in:
a. Twitching of the arms
b. Difficulty recognizing faces
c. The inability to speak
d. An inability to mail a letter
e. Amnesia
Solution
Damage to the parietal lobe of cerebral cortex;
Answer is \'C\': The inability to speak.
In mammalian brain, the parietal lobe is one of the four major lobes of the cerebral cortex. It is
positioned above the occipital lobe and behind the frontal lobe. The parietal lobe mainly
integrates sensory information including spatial sense, navigation; the sense of touch in the
somatosensory cortex and the dorsal stream of the visual system. The major sensory inputs from
the skin such as touch, temperature, and pain receptors, relay through the thalamus to the parietal
lobe. Several areas of parietal lobe are involved in language processing.
Damage to the parietal lobe may result in \"Gerstmann\'s Syndrome.\" including right-left
confusion, difficulty with writing, calulations and produce disorders of language (aphasia) and
the inability to perceive objects normally.
Answer \'d\'is also correct to some extent: An inability to mail a letter.
Damage to the parietal lobe result inability to focus visual attention. A person can’t produce
words from memory for writing and faces problems in reading because inability to recognise the
word.
However frontal lobe of cerebral cortex also plays a major role in flexible thinking process and
memory.
b. Difficulty recognizing faces: Related to temporal lobe of brain
e. Amnesia: Associated with damage to the hippocampus and related areas..
What is the purpose of an approval committee in the software develop.pdf
What is the purpose of an approval committee in the software development process? Who is
usually in this committee?
Solution
Approval committee usually serves as the decisions make body concerning investments in
software development process projects. Committee usually has a wide managerial representation
plus therefore can avoid allocate capital that will provide just narrow managerial benefit. The
approval committee usually has project mistake responsibilities as fine; monitor project
presentation later than the project have been established. The work of the approval committee
will differ from association to association, but usually consists of high-level manager since right
through the association.
In IT the work of a steering committee is to create positive each IT project ropes business goal
and objectives. The steering committee is frequently in charge for creating running group and
chooses the correct expert to finish a project. Planned changes to a project\'s range projects
should be accepted by the steering committee to make sure the change side with the project aim.
a lot of steering committee make project charter to grip project team accountable..
(a) List two DNA viruses and two RNA viruses. (b) What is a Lytic cyc.pdf
(a) List two DNA viruses and two RNA viruses. (b) What is a Lytic cycle? (c) What must
happen for a virus to attach to a cell? (d) Why wouldn\'t a virus infect just any type of cell?
Solution
1. I: dsDNA viruses (e.g. Adenoviruses, Herpesviruses, Poxviruses)
II: ssDNA viruses (+ strand or \"sense\") DNA (e.g. Parvoviruses)
III: dsRNA viruses (e.g. Reoviruses)
IV: (+)ssRNA viruses (+ strand or sense) RNA (e.g. Picornaviruses, Togaviruses)
2.
A temperate bacteriophage has lytic and lysogenic cycles. In the lytic cycle, the phage replicates
and lyses the host cell. In the lysogenic cycle, phage DNA is integrated into the host genome, in
which it is passed on to next generations.
3.
When virus attached to a cell, it delivers its DNA or RNA into the host cell. Therefore,
contamination requires that the virus get through the cell membrane. Some viruses remain
outside the cell. They connect to the membrane at specific receptor. Once connected the virus
injects its DNA or RNA into the cell. Enveloped viruses are enclosed in a membrane just like
that of the host cell. The virus and the envelope fuse and the virus enters the cell through
endocytosis. In the first example simple genetic material enters the cell. In the second case the
entire virus from the envelope enters the cell.
4.
All viruses have a form of protein at the outer coat or envelope that \"feels\" or
\"acknowledges\" the right host cell.This protein attaches the virus to the membrane of the host
cell.Some enveloped viruses can dissolve proper through the cell membrane of the host because
each the virus envelope and the cell membrane are product of lipids.
Those viruses that don\'t enter the cell have to inject their contents (genetic commands,
enzymes) into the host cell. Those viruses that dissolve into a cellular certainly release their
contents as soon as in the host. In either case, the consequences are the identical.So virus would
not infect each cell.
Hope everything is clear and you like the answer..
What are the differences between the solidification of pure metals an.pdf
What are the differences between the solidification of pure metals and metal alloys?
Solution
During solidification, pure metal converts from liquid state to solid sate at a single temperature
while an alloy solidifies over a range of temperature. Pure metal composition remains constant
throughout solidification process but the composition of alloy changes continuously. But the
composition of alloy in the solid sate becomes same as that when it was in liquid state.that is, this
change of composition take place only during liquid+ solid state. Importantly , all this occurs
only during cooling under equilibrium conditions..
Polish students' mobility in the Czech Republic
Polish students mobility to the Czech Republic within eTwinning project "Medieval adventures with Marco Polo"
"Protectable subject matters, Protection in biotechnology, Protection of othe...
Protectable subject matters, Protection in biotechnology, Protection of other biological materials, Ownership and period of protection
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Is this a Cohort Study What would be an example of a Cohort study.pdf
Is this a Cohort Study? What would be an example of a Cohort study?
1)
Solution
Cohort studies, case control studies and randomized controlled trials
When people read about a research study, they may not pay attention to how the study was
designed. But to understand the quality of the findings, it\'s important to know a bit about study
design.
According to the widely-accepted hierarchy of evidence, the most reliable evidence comes from
systematic reviews (see Infocus, Summer 2004), followed by evidence from randomized
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Research studies typically fall into one of two main categories:
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Here researchers observe the effect of a risk factor, diagnostic test or treatment without trying to
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Function of medium veins Function of medium veinsSolution.pdf
Function of medium veins?
Function of medium veins?
Solution
the mediumsized veins are the elastic blood vessel that transports deoxygenated blood to heart
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Discrete Math problem37 students use a variety of forms of transp.pdf
Discrete Math problem:
37 students use a variety of forms of transportation to get to school everyday. 20 of them
sometimes arrive to school by car;12 students bike to school at least occasionally;16 students
take the bus somedays. If four students use all three of these options,two either bike or take the
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Solution.
Discuss the involvement of interest groups in the political circumst.pdf
Discuss the involvement of interest groups in the political circumstances that affect \"agenda
setting.\" You should incorporate the specific ways they influence agenda setting in your
response.
Solution
Agenda setting is the ability to influence the importance of topics on public agenda.
The involvement of interest groups in the political circumstances that affect \"agenda setting\",
gives more depth and gravity to the process. It makes the process more relevant and germane.
Most importnatly, it gives the matter a practical feel and a tangible feel. The agenda becomes
identifiable due to the involvement of interest groups.
For example people in India are demanding one rank one pension (OROP) for army and defense
personnels, on the same lines as civic officials. The involvement of retired defense personnel
(interest groups) has given the process a more relevant outlook. More political parties are
involved now.
The ways in which the agenda setting can be done are: first level agenda setting - here the
importnace is given to the issue on hand. The next level or the second level of agenda setting
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the agenda..
Determine which of these statements describing the cytochrome P450 f.pdf
Determine which of these statements describing the cytochrome P450 family of enzymes or the
mechanism of action are true.
a) The iron in cytochrome P450s can exist in both Fe2 and Fe3 states in a single catalytic cycle.
b) The coenzyme NADPH can serve as a source of electrons for cytochrome P450s.
c) Fe3 acts as a general base during the catalytic cycle.
d) Each cytochrome P450 isoform can act on only one specific organic substrate.
e) Cytochrome P450 uses molecular oxygen (O2) as a reactant.
f) The activity of cytochrome P450 generally results in carboxylated products.
Please include an explanation with your answer! Thank you.
Solution
Cytochrome P450 is a class of enzymes essential for many metabolic reactions. This includes
about 50 enzymes. ‘Heme’ is the cofactor of all these enzymes, means ‘heme’ is present in the
active site of the enzyme. ‘Heme’ shifts from Ferrous and ferric states as electrons are accepted
and donated. So, statement (a) is totally correct. And this iron component is present in the centre
of porphyrin ring. So, single/same catalytic site is there for ferrous and ferric.
In mitochondria, electrons are transferred from NADPH by cytochrome P450 reductase. So,
statement (b) is correct.
Base is anything which accepts protons. Fe3 (ferric) accepts protons from oxygen in
mitochondria. So, statement (c) is also correct.
Statement (d) is incorrect. There are several isoforms of P450. Among these CYP3A4 is the most
important. It metabolizes nearly half of the total drugs used in clinical biology nowadays. These
include codeine, acetaminophen, erythromycin etc. So, one isoform would act on many organic
substrates.
Statement (e) is correct. Yes, it uses molecular oxygen, and converts it to water.
Statement (f) is incorrect. Activity of cytochrome P450 resulted in formation of water (by
reduction of oxygen); this is not a carboxylated product..
Describe the difference between the lytic cycle and lysogeny when bac.pdf
Describe the difference between the lytic cycle and lysogeny when bacteriophage infection
occurs. Sort these items into the proper categories.
Solution
Lytic cycle: Integration of phage DNA into the bacterial chromosome does not occur, no
extensive latent period.
Lysogenic cycle: Integration of phage DNA into the bacterial chromosome occurs, extensive
latent period..
Describe some of the different ways members of Congress can represen.pdf
Describe some of the different ways members of Congress can represent the American people.
What are the principles behind sociological and agency representation? What are some examples
of each type? Describe the difference between a trustee and a delegate. Which type of
representation do you believe is the best? Describe the electoral connection in Congress.
Describe some examples of constituency service. What are some of the ways a member of
Congress can directly aid their state or district? What effect do incumbency and redistricting
have in the makeup of Congress?
Solution
Congress is the most important representative institution in american government. It is the voice
of the american people. Members of congress consider different views and demands as they
reprsents their district. Member of congress regularly reach out to their constituents and devote a
great amount of staff amount to constituency service . teh farmers of the constitution provided
for bicameral legislature with House and Senate to serve different constituencies . They are Law
and Policy makers and on the other hand represent the needs and the best interest of their
particular constituents.
The Snete is choosen by the state legislatures and serve a total six year term represents the elite
member of society . While the house who are elected by voters in congressional districts serves a
two year term represent the people or well organized local interests.
Sociological representation is a type of representation in which representative have similar racial
, ethnic , religious or educational background as their constituents . Sociological likeness helps
promote good represntation by the government . On the other hand agency representation act as
an agent of his or her constituency. Constituent hire their agency representative and if the
constituent feel they are not being represnted well they can fire their representative .
There are two different ways elected legistators in congress can act. One way is to act as a trustee
. this mean that the legistators will vote and act according to their own personal belief and what
they feel is best for society Unlike the trustee a delegate vote according to whom they represents
. The deligate connects to their constituents completely tries hard to epathize with their feelings
and wants to be liked by the constituents ..
Company B Company C None of them satisfy the requirements. Question9 .pdf
Company B Company C None of them satisfy the requirements. Question9 The 3-way switch on
the Board of Education board should be set to position positionwhen downloading your code.
making modifications to your breadboard and 0 cut of 5 points Selected Answer: 1,o Answers 0,
1 1,0 0, 2 1, 2
Solution
Position 0 (left): is to power OFF while making modifications (adding or changing components).
Position 1 (middle): while LOADING the program.
Position 2 (right): when you\'re READY for the robot to start moving.
So, Answer is 0, 1..
Case 2S [symptoms] 10 month male presents to pediatrician’s offic.pdf
Case 2
S [symptoms]: 10 month male presents to pediatrician’s office with chief complaint of fever and
rash. In usual state of health until 4 days prior to presentation when developed fever, fussiness
and decreased appetite. Mom thought maybe had thrush again because she noted some white
spots in his mouth a day after the fever started but they went away on their own. Last night she
noticed that his eyes started to appear more red and irritated, is now coughing and very
congested and this morning developed rash on face prompting visit
ROS [review of systems]: as above, no emesis, no constipation or diarrhea, +fewer wet diapers
than usual
PMHx [past medical history]: full term, uncomplicated pregnancy and delivery, neonatal
jaundice but did not require phototherapy, thrush at 6 weeks and 3 months of age treated with
nystatin
SHx [social history]: lives with parents and 2 yo sibling who is enrolled in child care. Flew to
California with family 3 weeks ago to visit grandparents, no other travel hx.
Imm: UTD [up to date]
Exam: T- 39.8 [temperature, C]; R -34 [respiratory rate]; P -120 [pulse]; BP-85/62 [blood
pressure]; Pox-98% in room air [pulse oximetry, oxygenation of blood]
Gen [general]: Alert, fussy infant on mom’s lap, crying with exam
HEENT [head, eyes, ear, nose, throat]: Normocephalic/atraumatic, anterior fontanelle fibrous but
flat, extraocular movements intact, pupils equal and reactive to light, +conjunctival erythema
bilaterally without discharge or crusting, nares congested, oropharynx erythematous with
sloughing of buccal and labial mucosa. Tympanic membranes erythematous but with intact
landmarks and light reflex
Neck: supple full range of motion, +1cm bilateral anterior cervical lymphadenopathy
RESP [respiratory]: mildly tachypneic with fair air exchange all fields, +subcostal retractions no
intracostal or suprasternal accessory muscle use, diffuse crackles audible on auscultation all lung
fields no wheezing or rhonchi
COR [cardiac]: tachycardic, regular, nl s1 and split s2, no murmurs, rubs or gallops
Abdomen: soft, normoactive bowel sounds, nontender non distended, no hepatosplenomegaly, no
masses
GU [genital/urinary]: circumcised tanner I male, no rashes
Skin: diffuse erythematous blanching maculopapular rash most prominent/confluent on face,
neck, and upper trunk, palms and soles spared, no desquamation
Extremities: warm and well perfused
a) What were the spots in the infant’s mouth that the mother mistook for thrush?
b) What is your diagnosis, and which symptoms lead you to this conclusion?
c) Which tests will you order to confirm this diagnosis (give the name and state what is being
measured)?
d) The patient is up to date on his vaccinations, so why was he susceptible to this disease? Where
did he likely contract the disease?
e) In an uncomplicated form, this condition is not usually fatal, but what can cause fatalities for
patients with this infection?
f) A similar patient might be admitted to the hospital or might not fo.
A Correlation of zero means that (what)SolutionA value of zer.pdf
A Correlation of zero means that? (what)
Solution
A value of zero indicates that there is no relationship between the two variables.
If the correlation coefficient of two variables is zero, it signifies that there is no linear
relationship between the variables. However, this is only for a linear relationship.
A bank had 5024 depositers, with an avevrage account of $512. Assume.pdf
A bank had 5024 depositers, with an avevrage account of $512. Assume the standard deviation is
$150. Find the mean and standard deviation of the sampling distribution of the average balance
for a random sampling of 1000 depositors. (Finite population corrector needed)
Solution
mean and standard deviation of the sampling distribution
Mean = 512
Standard deviation = s.d/Sqrt(n) = 150/Sqrt(1000) = 4.7434.
You cut your finger, and your skin cells divide to heal up the wou.pdf
You cut your finger, and your skin cells divide to heal up the wound. What type of nuclear
division is happening in the skin cells? (Mitosis or meiosis?) and why.
You cut your finger, and your skin cells divide to heal up the wound. What type of nuclear
division is happening in the skin cells? (Mitosis or meiosis?) and why.
Solution
When we cut our finger the skin cells undergo mitotic division to heal up the wound, because
skin is a somatic cell not a germ cell. Only germ cells like egg cell and sperm cells undergo
meiosis as these cells are the only haploid and give rise to a new organism with n+n = 2n number
of chromosomes. In our body rest all cells divide by mitosis, as mitosis ensures that
(2n)chromosomes after dividing are distributed evenly between two cells and maintain the
idenity of the cell while dividing..
You have found a layer in a site with a 2 points Save Answer to 1.2 s.pdf
You have found a layer in a site with a 2 points Save Answer to 1.2 species of fossil known as
Rex. This of fossil has been found in many sites in the region, and has been dated to 1.2 - 1.3
million years ago. Using biostratigraphy, you can use this information to say that the Snagglus
Rex fossil you found must be a male. the fossil and the layer you found must be at least 500.000
years older than the snagglus Rex fossils in the same region. nothing information on snagglus
Rex in the same region does not give you any information at all about snagglus Rex you found.
the fossil and the layer you found also must date the to 1.2 - 1.3 million years ago. You have
found some human bones in which all the epiphyses of the long bones are fused, and the
mandible has all its teeth, including the wisdom teeth. This means you know you have found
male. female. juvenile. an adult. A fossil is Preserved soft parts of the body only, such as a
mummy, but not preserved bones. An early from of insectivore. The remains or traces of an
ancient organism, including fossilized bones, casts, and mummies. Anyone over 40.
Solution
You have found a layer in a site with a species of fossil known as Snagglus Rex. This species of
fossil has been found in many sites in the region, and has been dated to 1.2 - 1.3 million years
ago. Using biostratigraphy, you can use this information to say that
a.
the Snagglus Rex fossil you found must be a male.
b.
nothing -- information on Snagglus Rex in the same region does not give you any information at
all about the Snagglus Rex you found.
c.
the fossil and the layer you found must be at least 500,000 years older than the Snagglus Rex
fossils in the same region.-answer
d.
the fossil and the layer you found also must date to 1.2 - 1.3 million years ago.
Question 29
Answer : an adult
Long bones have three unmistakable areas the diaphysis, or shaft; the metaphysis, or the flared
end of the pole; and the epiphysis, or end top of the bone. Long bone development happens at the
epiphyseal or development plate, situated between the metaphysis and epiphysis.The
development plate itself is comprised of a framework of ligament. Osteoblasts, the fibroblast-like
cells in charge of bone creation, are set down on this platform. The osteoblasts create a collagen
network that is then mineralized to wind up distinctly new bone. On the off chance that
development is as yet progressing, more ligament is set down on that bone as the development
plate moves more distant far from the focal point of the pole, and the procedure rehashes. At the
point when development is at last achieved, development stops and the epiphysis and
metaphysispermanently fuse together
===================
Question 30
Answer : the remains o traces of an accent organism including fossilized bones, casts an
dmummies
a.
the Snagglus Rex fossil you found must be a male.
b.
nothing -- information on Snagglus Rex in the same region does not give you any information at
all about the Snagglus.
Which of the following is an amino acid side chains can receives a t.pdf
Which of the following is an amino acid side chains can receives a terminal phosphate from an
ATP molecule?
Serine
Threonine
Tyrosine
None of the above
All of the aboveA.
SerineB.
ThreonineC.
TyrosineD.
None of the aboveE.
All of the above
Solution
Answer: E. All of the above
Explanation:
While phosphorylation is a prevalent post-translational modification (PTM) for regulating
protein function, it only occurs at the side chains of three amino acids, serine, threonine and
tyrosine, in eukaryotic cells. These amino acids have a nucleophilic (–OH) group that attacks the
terminal phosphate group (-PO32-) on the universal phosphoryl donor adenosine triphosphate
(ATP), resulting in the transfer of the phosphate group to the amino acid side chain..
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When animals die, muscles stiffen in rigor mortis because
1. actin and myosin cannot bind without ATP.
2. actin and myosin cannot separate without ATP.
3. ATP forms cross-bridges between filaments.
Solution
Answer : The correct answer is 2 (actin and myosin cannot separate without ATP).Explanation :
After the death, ATP synthesis stops as breathing stops. However, so the crossbridges cannot
detach from actin. The resulting condition, in which muscles are in a state of rigidity( cannot
contract or stretch) is called rigor mortis..
What isThe difference between multiple independent variables and mul.pdf
What isThe difference between multiple independent variables and multiple levels of
independent variables are that multiple independent variables
Solution
The independent variables can be of different types, and these different types can be
present in the same study. Qualitative independent variables describe different
kinds of treatments.
Independent variables cannot be manipulated by the researcher. If more than one independent
variable is
examined, the independent variables may interact in such a way that the effect of one
or more variables depends upon the levels of one or more dependent variables.
1) A person who is shot in the head and the bullet goes through the .pdf
1) A person who is shot in the head and the bullet goes through the cerebral cortex in the parietal
lobe makes a lesion that results in:
a. Twitching of the arms
b. Difficulty recognizing faces
c. The inability to speak
d. An inability to mail a letter
e. Amnesia
Solution
Damage to the parietal lobe of cerebral cortex;
Answer is \'C\': The inability to speak.
In mammalian brain, the parietal lobe is one of the four major lobes of the cerebral cortex. It is
positioned above the occipital lobe and behind the frontal lobe. The parietal lobe mainly
integrates sensory information including spatial sense, navigation; the sense of touch in the
somatosensory cortex and the dorsal stream of the visual system. The major sensory inputs from
the skin such as touch, temperature, and pain receptors, relay through the thalamus to the parietal
lobe. Several areas of parietal lobe are involved in language processing.
Damage to the parietal lobe may result in \"Gerstmann\'s Syndrome.\" including right-left
confusion, difficulty with writing, calulations and produce disorders of language (aphasia) and
the inability to perceive objects normally.
Answer \'d\'is also correct to some extent: An inability to mail a letter.
Damage to the parietal lobe result inability to focus visual attention. A person can’t produce
words from memory for writing and faces problems in reading because inability to recognise the
word.
However frontal lobe of cerebral cortex also plays a major role in flexible thinking process and
memory.
b. Difficulty recognizing faces: Related to temporal lobe of brain
e. Amnesia: Associated with damage to the hippocampus and related areas..
What is the purpose of an approval committee in the software develop.pdf
What is the purpose of an approval committee in the software development process? Who is
usually in this committee?
Solution
Approval committee usually serves as the decisions make body concerning investments in
software development process projects. Committee usually has a wide managerial representation
plus therefore can avoid allocate capital that will provide just narrow managerial benefit. The
approval committee usually has project mistake responsibilities as fine; monitor project
presentation later than the project have been established. The work of the approval committee
will differ from association to association, but usually consists of high-level manager since right
through the association.
In IT the work of a steering committee is to create positive each IT project ropes business goal
and objectives. The steering committee is frequently in charge for creating running group and
chooses the correct expert to finish a project. Planned changes to a project\'s range projects
should be accepted by the steering committee to make sure the change side with the project aim.
a lot of steering committee make project charter to grip project team accountable..
(a) List two DNA viruses and two RNA viruses. (b) What is a Lytic cyc.pdf
(a) List two DNA viruses and two RNA viruses. (b) What is a Lytic cycle? (c) What must
happen for a virus to attach to a cell? (d) Why wouldn\'t a virus infect just any type of cell?
Solution
1. I: dsDNA viruses (e.g. Adenoviruses, Herpesviruses, Poxviruses)
II: ssDNA viruses (+ strand or \"sense\") DNA (e.g. Parvoviruses)
III: dsRNA viruses (e.g. Reoviruses)
IV: (+)ssRNA viruses (+ strand or sense) RNA (e.g. Picornaviruses, Togaviruses)
2.
A temperate bacteriophage has lytic and lysogenic cycles. In the lytic cycle, the phage replicates
and lyses the host cell. In the lysogenic cycle, phage DNA is integrated into the host genome, in
which it is passed on to next generations.
3.
When virus attached to a cell, it delivers its DNA or RNA into the host cell. Therefore,
contamination requires that the virus get through the cell membrane. Some viruses remain
outside the cell. They connect to the membrane at specific receptor. Once connected the virus
injects its DNA or RNA into the cell. Enveloped viruses are enclosed in a membrane just like
that of the host cell. The virus and the envelope fuse and the virus enters the cell through
endocytosis. In the first example simple genetic material enters the cell. In the second case the
entire virus from the envelope enters the cell.
4.
All viruses have a form of protein at the outer coat or envelope that \"feels\" or
\"acknowledges\" the right host cell.This protein attaches the virus to the membrane of the host
cell.Some enveloped viruses can dissolve proper through the cell membrane of the host because
each the virus envelope and the cell membrane are product of lipids.
Those viruses that don\'t enter the cell have to inject their contents (genetic commands,
enzymes) into the host cell. Those viruses that dissolve into a cellular certainly release their
contents as soon as in the host. In either case, the consequences are the identical.So virus would
not infect each cell.
Hope everything is clear and you like the answer..
What are the differences between the solidification of pure metals an.pdf
What are the differences between the solidification of pure metals and metal alloys?
Solution
During solidification, pure metal converts from liquid state to solid sate at a single temperature
while an alloy solidifies over a range of temperature. Pure metal composition remains constant
throughout solidification process but the composition of alloy changes continuously. But the
composition of alloy in the solid sate becomes same as that when it was in liquid state.that is, this
change of composition take place only during liquid+ solid state. Importantly , all this occurs
only during cooling under equilibrium conditions..
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