2 Given the following manipulations how would you expect t.pdf
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2. Given the following manipulations, how would you expect them to affect sea urchin development? Be as specific as possible. A. Rather than allowing for natural fertilization, inject the sperm into the animal half of the oocyte. B. Grow the tunicate embryos in sea water containing Brachyury protein. C. Remove the vegetal cells from a tunicate blastula and replace them with animal pole cells from another blastula..
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2 The pigment that accumulates in the cells of the stratum s.pdf
2 The pigment that accumulates in the cells of the stratum spinosum is a. actin. b. melanin. c.
keratin. d. collagen. 3 The protein that accumulates in the dead cells of the stratum corneum is a.
actin. b. melanin. c. keratin. d. collagen. In which layer of the epidermis are tactile discs found? a.
Stratum corneum. b. Stratum granulosum. c. Stratum basale. d. Stratum lucidum. e. Stratum
spinosum..
2 The early Xenopus embryo has animal and vegetal halves A.pdf
The early Xenopus embryo has an animal and vegetal half determined by specific gene products, with the animal half expressing genes like VegT and the vegetal half expressing genes like Xcat2. A fate map of this embryo would show the ectoderm arising from the animal half, the endoderm from the vegetal half, and the mesoderm developing between the two halves.
2 The following data for the United States is accurate as o.pdf
2. The following data for the United States is accurate as of January 2023. (Some numbers have
been rounded to make the arithmetic easier). According to this data, what was the unemployment
rate? A. 4.3% B. 2.7% C. 40.6% D. 5.2%.
2 Suppose X and Y are the survival times in days of two w.pdf
2. Suppose X and Y are the survival times (in days) of two white rats that were subjected to
different levels of radiation. Assume that X and Y are independent, fX(x)={(1+x)21,0,x>0
elsewhere.fY(y)={(1+y)32,0,y>0elsewhere. Show all your work and circle your final answers.
Correct answers with no justifications will not receive any marks. a) Give the joint density of X and
Y. b) Find the probability that the second rat outlives the first rat, P[X<Y]..
2 Suppose there are four languages ABCD such that AmBBm.pdf
2. Suppose there are four languages A,B,C,D such that AmB,BmC, DmC. True or false? (a) It
could be the case that A is not recursive and C is decidable. (b) If C is recursive, then D is
decidable. (c) If C is Turing recognizable, then BD is recursively enumerable..
2 Suppose that x1x2xn form a random sumple from o distr.pdf
This document asks to: 1) Write the likelihood function L in simplified form for a random sample from an exponential distribution over the interval [0,10]; 2) Write the log-likelihood ln(L) in simplified form; 3) Find the maximum likelihood estimate (MLE) of the parameter by taking the derivative of ln(L) and setting it equal to 0; 4) Given a sample, calculate the numerical value of the MLE of the first quartile Q1 of the distribution.
2 Suppose that X1X2Xn is a random sample from the N1.pdf
2. Suppose that X1,X2,,Xn is a random sample from the N(,1). (a). Find the CRLB for variances of
unbiased estimators of . (b). Find the M.L.E. ^ of . (c). Is ^ in (b) a UMVU estimator of ?.
2 Suppose that n identical balls are distributed randomly a.pdf
2. Suppose that n identical balls are distributed randomly among m boxes. Construct the
corresponding space of elementary outcomes. Assuming that each ball is placed in a random box
with equal probability, find the probability that the first box is empty..
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2 The pigment that accumulates in the cells of the stratum s.pdf
2 The pigment that accumulates in the cells of the stratum spinosum is a. actin. b. melanin. c.
keratin. d. collagen. 3 The protein that accumulates in the dead cells of the stratum corneum is a.
actin. b. melanin. c. keratin. d. collagen. In which layer of the epidermis are tactile discs found? a.
Stratum corneum. b. Stratum granulosum. c. Stratum basale. d. Stratum lucidum. e. Stratum
spinosum..
2 The early Xenopus embryo has animal and vegetal halves A.pdf
The early Xenopus embryo has an animal and vegetal half determined by specific gene products, with the animal half expressing genes like VegT and the vegetal half expressing genes like Xcat2. A fate map of this embryo would show the ectoderm arising from the animal half, the endoderm from the vegetal half, and the mesoderm developing between the two halves.
2 The following data for the United States is accurate as o.pdf
2. The following data for the United States is accurate as of January 2023. (Some numbers have
been rounded to make the arithmetic easier). According to this data, what was the unemployment
rate? A. 4.3% B. 2.7% C. 40.6% D. 5.2%.
2 Suppose X and Y are the survival times in days of two w.pdf
2. Suppose X and Y are the survival times (in days) of two white rats that were subjected to
different levels of radiation. Assume that X and Y are independent, fX(x)={(1+x)21,0,x>0
elsewhere.fY(y)={(1+y)32,0,y>0elsewhere. Show all your work and circle your final answers.
Correct answers with no justifications will not receive any marks. a) Give the joint density of X and
Y. b) Find the probability that the second rat outlives the first rat, P[X<Y]..
2 Suppose there are four languages ABCD such that AmBBm.pdf
2. Suppose there are four languages A,B,C,D such that AmB,BmC, DmC. True or false? (a) It
could be the case that A is not recursive and C is decidable. (b) If C is recursive, then D is
decidable. (c) If C is Turing recognizable, then BD is recursively enumerable..
2 Suppose that x1x2xn form a random sumple from o distr.pdf
This document asks to: 1) Write the likelihood function L in simplified form for a random sample from an exponential distribution over the interval [0,10]; 2) Write the log-likelihood ln(L) in simplified form; 3) Find the maximum likelihood estimate (MLE) of the parameter by taking the derivative of ln(L) and setting it equal to 0; 4) Given a sample, calculate the numerical value of the MLE of the first quartile Q1 of the distribution.
2 Suppose that X1X2Xn is a random sample from the N1.pdf
2. Suppose that X1,X2,,Xn is a random sample from the N(,1). (a). Find the CRLB for variances of
unbiased estimators of . (b). Find the M.L.E. ^ of . (c). Is ^ in (b) a UMVU estimator of ?.
2 Suppose that n identical balls are distributed randomly a.pdf
2. Suppose that n identical balls are distributed randomly among m boxes. Construct the
corresponding space of elementary outcomes. Assuming that each ball is placed in a random box
with equal probability, find the probability that the first box is empty..
2 points For computerclusters with shareddisks discuss .pdf
(2 points) For computer-clusters with shared-disks, discuss some of the advantages that have
made these configurations as popular as they have become, aside from the obvious data sharing
and load balancing advantages.
(1 point) Metropolitan Area Networks (MANs) typically are larger in geographic scope that LANs
but within a range of about 30 miles or less, and commonly include network lines that must cross
over someones property. Such network lines sometime require permission involving a concept
called:
Edge-Router
Domain-Name-Service
Right-of-Way Access
Ethernet-Star-Topology
(1 point) The Internet connectivity is primarily made up of connections between
National, Regional, and Local ISPs
The US Government
National and International CSPs
International WANs
(1 point) Which entity creates the standards for the Internet?
ISO
IETF
ISPs
IEEE
(1 point) Packets in the Data Link Layer of TCP/IP are called
Packets
Series datagrams
TCP datagrams
Frames
(1 point) Ethernet is the trade name for what is technically known as:
CSMA-CD protocol
CSMA-SA protocol
LAN connectivity
WAN connectivity
(1 point) The amount of time it takes for a packet to get from one end of the network to the other is
called:
TCP/IP
Network jitter
Network propagation delay
Collision-avoidance delay
(1 point) The Bandwidth of channel is the range of frequencies that are passed by the channel with
a large amount of attenuation (True/False).
(1 point) Its common for the CPU to be switched from one program to another and execute a few
instructions of each program using a clock-timed interrupt method. This is called:
Threading
Time-slicing
Multiprogramming
Non-preemptive switching
(1 point) What systems tools are available within Windows in the control-alt-delete menu?
(1 point) What do we mean when we call and operating system event-driven?
(1 Point) Which function among the OS functions handles plug-and-play devices?
Memory Management
The File Mgmt System
The I/O control function
Network Management
(1 point) Operating systems that sometimes have applications which handle I/O devises, and
which must respond within a short specific timeframe are called
Mobile
Real time
Distributed
Single user
(2 points) What are two key purposes of the operating systems user interfaces?
(1 point) The __________of a file is how it data is actually stored in it.
Physical view
Real view
Logical view
Image view
(1 point) The bootstrap is a read-write eligible program. (True/False)
(2 points) Describe how the bootstrap process (the IPL process) works.
(2 points) Invert this binary number and then convert it to the hexadecimal equivalent:
1110110010000000 is equivalent to ___________________________________ ?
2 16
-3
(1 point) What is the number 1326.5 x 10 without the exponential notation?
(3 points) What is the largest decimal positive integer that can be stored in 2 bytes using:
16
An unsigned integer___________________. Answer 2 -1 65,536 - 1 = 65,535
15
An integer using a sign bit _______________. Answe.
2 Studies suggest that 6 of all American adults consider t.pdf
2. Studies suggest that 6% of all American adults consider themselves to be atheist. In a rando
sample of twenty-five adults, find the probability that (a) none are atheist (b) at least one is an
atheist (c) exactly three are athiest.
2 Please state your goal using the SMART Method Specific .pdf
2) Please state your goal using the SMART Method: Specific: Avoid generalities! Your goal should
have specific details so you know what you are achiev Measurable: Make sure you have solid
criteria for establishing your progress toward your goal. Actionable: You can clearly define action
steps towards your goal Rewarding: Your goal must be something that is meaningful and
worthwhile. Time Specific: Having specific dates for beginning and finishing goals keeps you on
track..
2 prrafo cada uno 1 Qu caractersticas de los barrios m.pdf
2 prrafo cada uno
1. Qu caractersticas de los barrios marginales son ms problemticas desde el punto de vista de un
economista urbano frente al de un planificador urbano? Son estas caractersticas las mismas
cuando se asume una perspectiva poltica?
2) Qu recomendaciones de poltica se le ocurren para resolver la crisis actual de los barrios
marginales y para mejorar los medios de vida de los habitantes informales de las ciudades? Cmo
pueden los proyectos de renovacin urbana convertirse en una solucin sostenible para los pobres?.
2 Queens Corporation QC has a net profit margin NPM of .pdf
2) Queens Corporation (QC) has a net profit margin (NPM) of 5%, a total asset turnover of 1 , total
assets of $30 million, and a book value of equity of $20 million. QC also has 2 million shares
outstanding, and a market price of $20 per share..
2 Prof Mincyte in her guest lecture on Environmental Soci.pdf
2. Prof. Mincyte, in her guest lecture on Environmental Sociology talked about environmental
justice. Explain what environmental justice means and provide an example, clearly. explaining how
your example illustrates the issue of environmental justice/injustice. 3. The reading by Erica
Obendorfer, et. al., "Green Roofs as Urban Ecosystems" discusses how planted rooftops provide
ecosystem services..
2 points A patient sustains a serious injury to their cerebe.pdf
2 points A patient sustains a serious injury to their cerebellum. What problems might this patient
suffer from? The patient would have trouble processing sensory information. The patient would be
unable to regulate numerous homeostatic processes. The patient would have difficulty with higher-
order processes such as critical thinking and emotional regulation. The patient would struggle with
coordination..
2 points Identify the correct order of events i synaptic v.pdf
2 points Identify the correct order of events. i. synaptic vesicles fuse with presynaptic membrane ii.
ligand-gated channels in the postsynaptic membrane open iii. Ca2+ ions enter presynaptic area iv.
neurotransmitters are released into the synaptic cleft iv, iii, ii, i iii, i, iv, ii I, ii, iii, iv.
2 points During muscle contraction the myosin head can only.pdf
2 points During muscle contraction, the myosin head can only bind to actin if . Select two. Calcium
is present. Calcium is absent. Troponin and tropomyosin cover the myosin binding sites. ATP has
been hydrolyzed to ADP and Pi.
2 points A patient sustains a serious injury to their tempor.pdf
2 points A patient sustains a serious injury to their temporal lobe. What problems might this patient
suffer from? The patient would have trouble processing auditory information. The patient would be
unable to regulate numerous homeostatic processes. The patient would have difficulty with
decision-making. The patient would be unable to speak or read..
2 Let X be a nonnegative random variable with probability .pdf
2. Let X be a non-negative random variable with probability density function (pdf) f. (a) Show that
EX=0P(Xx)dx. (b) Using (a), show that E[X]=0x1P(Xx) d x for any >0. [1].
2 One strand of a doublehelical DNA has the sequence 5.pdf
#2) One strand of a double-helical DNA has the sequence (5)
GCGCAATATTTCTCAAAATATTGCGC (3).
A. Write the base sequence of the complementary strand below the sequence of the given strand.
B. What special type of sequence is contained in this DNA segment?
C. Does the double-stranded DNA have the potential to form any alternative structures?.
2 Mono Lake food web Based on the video draw a detailed d.pdf
2. Mono Lake food web. Based on the video, draw a detailed diagram of the Mono Lake food web.
(4 pts) - Yes... I said "draw". Use a simple word processing program, a web whiteboard, or just a
pencil/paper. Upload your file. - Be sure to show the initial energy source. i.e. Where are the
producers getting their energy? - Use the correct terms to label each trophic level (e.g. producers)
..... and include at least 3 trophic levels. - Be sure it is a web and not a simple chain..
2 Modify the servlet from the previous part The new servle.pdf
2. Modify the servlet from the previous part. The new servlet should add cookies for firstName,
LastName, birthDay and Sex.
a. Create a Servlet (called fcc) that reads the four cookies and displays their values. Add a link
under your HTML form to invoke the ReadCookie Servlet.(hint: doGet/doPost)
b. Create another servlet that count the number of visits using cookies.
2 Longterm studies of recognized individuals indicate that.pdf
2. Long-term studies of recognized individuals indicate that males engage in different reproductive
strategies at different times in their lives. Some researchers emphasize the "friendships" that
young males establish with females in the groups the males are trying to join. Others emphasize
the value of heterosexual friendships to older, more mature males. Briefly evaluate each of these
explanations, considering how similar behavioral interactions might reflect the different competitive
abilities of young versus mature males..
2 LightValue enum Write a simple Enum named LightValue whi.pdf
2. LightValue enum
Write a simple Enum named LightValue, which lists the phases a particular stoplight lane may be
in. These states should include GREEN, RED, and LEFT_SIGNAL (we are considering yellow to
be part of green). Each TwoWayRoad instance (defined below) will have its own LightValue, which
should correspond to the following rules:
GREEN indicates that the right and middle lanes may proceed, but the left lane cannot (for both
directions).
RED indicates that no lane may proceed (for both directions).
LEFT_SIGNAL indicates that left can proceed, but the right and middle lanes cannot (for both
directions).
Cars in a particular lane may proceed (dequeue one car per time interval) when it is their turn to
go, according to the rules above. If you still need help with Java Enum types, you can read about
them in this Java tutorial.
3. Vehicle Class
Write a fully documented class named Vehicle. This class represents a car which passes through
the intersection. Each instance must contain the serialId (the first car to arrive at the intersection is
serialId 1, the second car to arrive is serialId 2, the n'th car to arrive will have serialId >n) and the
time it arrived (stored as an int). The car must be initialized with a serialId and the time it arrived.
The serial counter is static and stores the number of vehicles that have arrived at the intersection
so far. It is the only variable that is modifiable.
The Vehicle class itself is actually immutable. This means once it has been constructed, no data
within the instance can be changed (the static serialCounter can and should be incremented on
each constructor call). From the UML diagram, note that the public constructor takes all the
member variables as arguments. Data can still be read via the getter methods.
private static int serialCounter = 0
private int serialId
private int timeArrived
public Vehicle(int initTimeArrived)
Brief:
Default Constructor. You should automatically increment the serialCounter, and set the serialId to
its new value.
Parameters:
initTimeArrived
Time the vehicle arrived at the intersection.
Preconditions:
initTimeArrived > 0.
Throws:
IllegalArgumentException
If initTimeArrived 0.
4. VehicleQueue class
Lanes in our simulator will be modelled as a Queue of Vehicles. You may implement a Queue of
vehicles however you like, and are encouraged to use any Java API class you prefer. Remember
that the VehicleQueue class must implement the following methods in order to comply with the
Queue ADT:
void enqueue(Vehicle v)
Vehicle dequeue()
int size()
boolean isEmpty()
Note: If you decide to use a Java API class to implement VehicleQueue, you must use inheritance
(extend a Java API class) to simplify the class definition.
5. TwoWayRoad Class
Write a fully documented class called TwoWayRoad that represents one of the roads in our
intersection. Each road it bi-directional, with each direction having three lanes - a left turn lane, a
middle lane, and a right turn lane. Lanes, modelled.
2 Let X1Xn be a random sample from Poisson distribution P.pdf
2. Let X1,,Xn be a random sample from Poisson distribution P(),>0. (1) (10 points) Find a
complete sufficient statistic for . (2) (15 points) Find the UMVUE of P(X1=0)=exp(). (Hint: I(X1=0)
is an unbiased estimator of exp() ). (3) (15 points) Find the CFR lower bound for all unbiased
estimators of exp()..
2 List and describe two unique evolutionary adaptations tha.pdf
2. List and describe two unique evolutionary adaptations that have occurred to further the success
of angiosperins in their ife cycie: (2 points)uterebion of eletrents ( 3 points)4. Describe
transpiration in plants. What challenges does a plant have in very arid environments? (3 points)6.
Combine your own diagrams and discussion to compare the gymnosperm life cycle (fiom unit 1)
with me angiospeem ilfe cycie (4 points)7. Describe the acid growth hypothesis for cell elongation
in plants. (2 points).
2 If the pH of a system is falling is it becoming more aci.pdf
2. If the pH of a system is falling, is it becoming more acidic or more basic? a. Does that mean it
has more or less H+ions? b. Based on this, will a buffer need to produce H+ions or take them up?
c. Look at the bicarbonate buffer system. If pH is falling will that favor the formation or dissociation
of carbonic acid (H2CO3) ?.
2 In one of your assigned videos CO2 consumption is demonst.pdf
2. In one of your assigned videos CO2 consumption is demonstrated in the process of
photosynthesis. The chemical indicator used to show this was IODINE POTASSIUM IODIDE
CALCIUM CHLORIDE PHENOL RED BROMOTHYMOL BLUE CALCIUM CARBONATE.
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2 points For computerclusters with shareddisks discuss .pdf
(2 points) For computer-clusters with shared-disks, discuss some of the advantages that have
made these configurations as popular as they have become, aside from the obvious data sharing
and load balancing advantages.
(1 point) Metropolitan Area Networks (MANs) typically are larger in geographic scope that LANs
but within a range of about 30 miles or less, and commonly include network lines that must cross
over someones property. Such network lines sometime require permission involving a concept
called:
Edge-Router
Domain-Name-Service
Right-of-Way Access
Ethernet-Star-Topology
(1 point) The Internet connectivity is primarily made up of connections between
National, Regional, and Local ISPs
The US Government
National and International CSPs
International WANs
(1 point) Which entity creates the standards for the Internet?
ISO
IETF
ISPs
IEEE
(1 point) Packets in the Data Link Layer of TCP/IP are called
Packets
Series datagrams
TCP datagrams
Frames
(1 point) Ethernet is the trade name for what is technically known as:
CSMA-CD protocol
CSMA-SA protocol
LAN connectivity
WAN connectivity
(1 point) The amount of time it takes for a packet to get from one end of the network to the other is
called:
TCP/IP
Network jitter
Network propagation delay
Collision-avoidance delay
(1 point) The Bandwidth of channel is the range of frequencies that are passed by the channel with
a large amount of attenuation (True/False).
(1 point) Its common for the CPU to be switched from one program to another and execute a few
instructions of each program using a clock-timed interrupt method. This is called:
Threading
Time-slicing
Multiprogramming
Non-preemptive switching
(1 point) What systems tools are available within Windows in the control-alt-delete menu?
(1 point) What do we mean when we call and operating system event-driven?
(1 Point) Which function among the OS functions handles plug-and-play devices?
Memory Management
The File Mgmt System
The I/O control function
Network Management
(1 point) Operating systems that sometimes have applications which handle I/O devises, and
which must respond within a short specific timeframe are called
Mobile
Real time
Distributed
Single user
(2 points) What are two key purposes of the operating systems user interfaces?
(1 point) The __________of a file is how it data is actually stored in it.
Physical view
Real view
Logical view
Image view
(1 point) The bootstrap is a read-write eligible program. (True/False)
(2 points) Describe how the bootstrap process (the IPL process) works.
(2 points) Invert this binary number and then convert it to the hexadecimal equivalent:
1110110010000000 is equivalent to ___________________________________ ?
2 16
-3
(1 point) What is the number 1326.5 x 10 without the exponential notation?
(3 points) What is the largest decimal positive integer that can be stored in 2 bytes using:
16
An unsigned integer___________________. Answer 2 -1 65,536 - 1 = 65,535
15
An integer using a sign bit _______________. Answe.
2 Studies suggest that 6 of all American adults consider t.pdf
2. Studies suggest that 6% of all American adults consider themselves to be atheist. In a rando
sample of twenty-five adults, find the probability that (a) none are atheist (b) at least one is an
atheist (c) exactly three are athiest.
2 Please state your goal using the SMART Method Specific .pdf
2) Please state your goal using the SMART Method: Specific: Avoid generalities! Your goal should
have specific details so you know what you are achiev Measurable: Make sure you have solid
criteria for establishing your progress toward your goal. Actionable: You can clearly define action
steps towards your goal Rewarding: Your goal must be something that is meaningful and
worthwhile. Time Specific: Having specific dates for beginning and finishing goals keeps you on
track..
2 prrafo cada uno 1 Qu caractersticas de los barrios m.pdf
2 prrafo cada uno
1. Qu caractersticas de los barrios marginales son ms problemticas desde el punto de vista de un
economista urbano frente al de un planificador urbano? Son estas caractersticas las mismas
cuando se asume una perspectiva poltica?
2) Qu recomendaciones de poltica se le ocurren para resolver la crisis actual de los barrios
marginales y para mejorar los medios de vida de los habitantes informales de las ciudades? Cmo
pueden los proyectos de renovacin urbana convertirse en una solucin sostenible para los pobres?.
2 Queens Corporation QC has a net profit margin NPM of .pdf
2) Queens Corporation (QC) has a net profit margin (NPM) of 5%, a total asset turnover of 1 , total
assets of $30 million, and a book value of equity of $20 million. QC also has 2 million shares
outstanding, and a market price of $20 per share..
2 Prof Mincyte in her guest lecture on Environmental Soci.pdf
2. Prof. Mincyte, in her guest lecture on Environmental Sociology talked about environmental
justice. Explain what environmental justice means and provide an example, clearly. explaining how
your example illustrates the issue of environmental justice/injustice. 3. The reading by Erica
Obendorfer, et. al., "Green Roofs as Urban Ecosystems" discusses how planted rooftops provide
ecosystem services..
2 points A patient sustains a serious injury to their cerebe.pdf
2 points A patient sustains a serious injury to their cerebellum. What problems might this patient
suffer from? The patient would have trouble processing sensory information. The patient would be
unable to regulate numerous homeostatic processes. The patient would have difficulty with higher-
order processes such as critical thinking and emotional regulation. The patient would struggle with
coordination..
2 points Identify the correct order of events i synaptic v.pdf
2 points Identify the correct order of events. i. synaptic vesicles fuse with presynaptic membrane ii.
ligand-gated channels in the postsynaptic membrane open iii. Ca2+ ions enter presynaptic area iv.
neurotransmitters are released into the synaptic cleft iv, iii, ii, i iii, i, iv, ii I, ii, iii, iv.
2 points During muscle contraction the myosin head can only.pdf
2 points During muscle contraction, the myosin head can only bind to actin if . Select two. Calcium
is present. Calcium is absent. Troponin and tropomyosin cover the myosin binding sites. ATP has
been hydrolyzed to ADP and Pi.
2 points A patient sustains a serious injury to their tempor.pdf
2 points A patient sustains a serious injury to their temporal lobe. What problems might this patient
suffer from? The patient would have trouble processing auditory information. The patient would be
unable to regulate numerous homeostatic processes. The patient would have difficulty with
decision-making. The patient would be unable to speak or read..
2 Let X be a nonnegative random variable with probability .pdf
2. Let X be a non-negative random variable with probability density function (pdf) f. (a) Show that
EX=0P(Xx)dx. (b) Using (a), show that E[X]=0x1P(Xx) d x for any >0. [1].
2 One strand of a doublehelical DNA has the sequence 5.pdf
#2) One strand of a double-helical DNA has the sequence (5)
GCGCAATATTTCTCAAAATATTGCGC (3).
A. Write the base sequence of the complementary strand below the sequence of the given strand.
B. What special type of sequence is contained in this DNA segment?
C. Does the double-stranded DNA have the potential to form any alternative structures?.
2 Mono Lake food web Based on the video draw a detailed d.pdf
2. Mono Lake food web. Based on the video, draw a detailed diagram of the Mono Lake food web.
(4 pts) - Yes... I said "draw". Use a simple word processing program, a web whiteboard, or just a
pencil/paper. Upload your file. - Be sure to show the initial energy source. i.e. Where are the
producers getting their energy? - Use the correct terms to label each trophic level (e.g. producers)
..... and include at least 3 trophic levels. - Be sure it is a web and not a simple chain..
2 Modify the servlet from the previous part The new servle.pdf
2. Modify the servlet from the previous part. The new servlet should add cookies for firstName,
LastName, birthDay and Sex.
a. Create a Servlet (called fcc) that reads the four cookies and displays their values. Add a link
under your HTML form to invoke the ReadCookie Servlet.(hint: doGet/doPost)
b. Create another servlet that count the number of visits using cookies.
2 Longterm studies of recognized individuals indicate that.pdf
2. Long-term studies of recognized individuals indicate that males engage in different reproductive
strategies at different times in their lives. Some researchers emphasize the "friendships" that
young males establish with females in the groups the males are trying to join. Others emphasize
the value of heterosexual friendships to older, more mature males. Briefly evaluate each of these
explanations, considering how similar behavioral interactions might reflect the different competitive
abilities of young versus mature males..
2 LightValue enum Write a simple Enum named LightValue whi.pdf
2. LightValue enum
Write a simple Enum named LightValue, which lists the phases a particular stoplight lane may be
in. These states should include GREEN, RED, and LEFT_SIGNAL (we are considering yellow to
be part of green). Each TwoWayRoad instance (defined below) will have its own LightValue, which
should correspond to the following rules:
GREEN indicates that the right and middle lanes may proceed, but the left lane cannot (for both
directions).
RED indicates that no lane may proceed (for both directions).
LEFT_SIGNAL indicates that left can proceed, but the right and middle lanes cannot (for both
directions).
Cars in a particular lane may proceed (dequeue one car per time interval) when it is their turn to
go, according to the rules above. If you still need help with Java Enum types, you can read about
them in this Java tutorial.
3. Vehicle Class
Write a fully documented class named Vehicle. This class represents a car which passes through
the intersection. Each instance must contain the serialId (the first car to arrive at the intersection is
serialId 1, the second car to arrive is serialId 2, the n'th car to arrive will have serialId >n) and the
time it arrived (stored as an int). The car must be initialized with a serialId and the time it arrived.
The serial counter is static and stores the number of vehicles that have arrived at the intersection
so far. It is the only variable that is modifiable.
The Vehicle class itself is actually immutable. This means once it has been constructed, no data
within the instance can be changed (the static serialCounter can and should be incremented on
each constructor call). From the UML diagram, note that the public constructor takes all the
member variables as arguments. Data can still be read via the getter methods.
private static int serialCounter = 0
private int serialId
private int timeArrived
public Vehicle(int initTimeArrived)
Brief:
Default Constructor. You should automatically increment the serialCounter, and set the serialId to
its new value.
Parameters:
initTimeArrived
Time the vehicle arrived at the intersection.
Preconditions:
initTimeArrived > 0.
Throws:
IllegalArgumentException
If initTimeArrived 0.
4. VehicleQueue class
Lanes in our simulator will be modelled as a Queue of Vehicles. You may implement a Queue of
vehicles however you like, and are encouraged to use any Java API class you prefer. Remember
that the VehicleQueue class must implement the following methods in order to comply with the
Queue ADT:
void enqueue(Vehicle v)
Vehicle dequeue()
int size()
boolean isEmpty()
Note: If you decide to use a Java API class to implement VehicleQueue, you must use inheritance
(extend a Java API class) to simplify the class definition.
5. TwoWayRoad Class
Write a fully documented class called TwoWayRoad that represents one of the roads in our
intersection. Each road it bi-directional, with each direction having three lanes - a left turn lane, a
middle lane, and a right turn lane. Lanes, modelled.
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