10) Which of the following is not true concerning transposable eleme.pdf
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10) Which of the following is not true concerning transposable elements? A) Transposable elements can cause mutations in coding sequences. B) Eukaryotes can inhibit the expression of the transposable elements via the RNAi pathway. C) Transposable elements are mobile DNA elements that can insert themselves into other locations of the genome. D) Transposable elements make up a large portion of both eukaryotic and prokaryotic genomes. E) All of the above are true Solution Transposable elements are DNA sequences that can change their position within a genome. They make up the bulk of the genome, and can mutate gene sequences, or even change genome size of the cell. Based on mechanism of transposition they can be classified as either Class I or Class II TEs. TEs are mutagens, and have been known to cause diseases eg: Hemophilia A has been linked to LINE1 TE mutation of human Factor VII. However, cells have developed a number of ways to defend against TEs. In humans, the LINE1 TEs can be silence by activating RNA interference (RNAi) mechanism. Thus, the correct answer is: E) All of the above are true.
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Part 2)
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Variations in Mendelian genetics in humans can be described as below:
1. Co-dominance: Unlike Mendelian genetics, the blood group system of humans show co-
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The answers can be found below as discussedPart 1)The human gen.pdf
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Answer part 2)
Variations in Mendelian genetics in humans can be described as below:
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O.
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What are TEs? Comment on Are there any distinctive features Why might biologists want to
study what do you know different kinds associated with TEs? What are TES? about transposable
What types of organisms contain these? elements (TEs) in TEs? general? Vague (1); OK (1.5);
Good (3) Vague (1), OK (1.5), Good (3) Vague (1): OK (1.5); Good (3 How might P-elements
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about P-elements structure? How big are the native this lab. What is the connection What do you
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(3 Vague (1): OK (2): Good (4 Vague (1): OK (2): Good (4
Solution
1.Transposable elements or transposons are defined as the DNA sequence that are able to move
from one location to the other in the genome.They were first discovered by Barbara McClintock
in maize and are also called as the \"jumping genes\".
Transposons are found in almost all organisms starting from bacteria to higher organisms i.e
from prokaryote to eukaryotes and are known to have played a significant role in evolution.
There are two major types of transposons .they are:
Class I transposons and Class II transposons
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then use the enzyme reverse transcriptase to make a copy of the DNA from RNA and insert it in
a new location.
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place to place.They are cut at their location and are inserted into a new location.Distinctive
features of transposons;
1.One of the most defining property of a transposon is its mobility.
2.They are diverse in nature some move by DNA intermediates (class I) while some move by
RNA intermediates(ClassII)
3.Due to their ability to rearrangement they play a significant role in evolution.
4.some transposons activate or inactivate the genes depending on their position of
insertion.egEnhancement of oncogeneic activity.
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Visit nursingassignmenthelp.com or email info@nursingassignmenthelp.com. You can also call on +1 678 648 4277 for any assistance with Microbiology Assignments.
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What types of organisms contain these? elements (TEs) in TEs? general? Vague (1); OK (1.5);
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in maize and are also called as the \"jumping genes\".
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from prokaryote to eukaryotes and are known to have played a significant role in evolution.
There are two major types of transposons .they are:
Class I transposons and Class II transposons
Class I transposons are called as retrotransposons as they first transcribe the DNA into RNA and
then use the enzyme reverse transcriptase to make a copy of the DNA from RNA and insert it in
a new location.
Class II operate by \"Cut and Paste\" mechanism and contain DNA that moves directly from
place to place.They are cut at their location and are inserted into a new location.Distinctive
features of transposons;
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RNA intermediates(ClassII)
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Briefly explain four functions of stems.
Solution
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1. It helps store water , as in cacti, and the products of photosynthesis, as in the trunk of sago
palm (Metroxylon sagu) and sweet palm (Argenga pinnata) which store large stock of starch
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. For simple interactions, can still talk about the main effects of A at each level of B
For complex interaction, must simply consider all pairs of levels as separate treatments.
If interaction effects are very small compared to main effects or only apparent in a small number
of treatments, then they are probably unimportant.
We can proceed by keeping interaction in the model, but using marginal means for each
significant main effect individually
The interaction effect is so large and/or pervasive that main effects cannot be interpreted on their
own.
This is TRUE statement..
Traits that are detrimental to the long-term survival of an individu.pdf
Traits that are detrimental to the long-term survival of an individual can occur in a population
(select all that apply):
a. if they arise due to a mutation.
b. Never
c. when the trait increases an individual\'s chance of reproducing.
d. because there has to be variation in the population.
e. if they enter the population through gene flow from another habitat where the traits are
favorable.
Solution
a. if they arise due to a mutation.
d. because there has to be variation in the population..
The sampling distribution of the sample mean is the probability dist.pdf
The sampling distribution of the sample mean is the probability distribution of all
a. the sample statistics and their probability of occurrence..
b. the normal population parameters and their probability of occurrence..
c. the possible sample means and their probability of occurrence.
d. sample means.
Solution
sample means..
The lantana has which inflorescence morphology type campanulte tub.pdf
The lantana has which inflorescence morphology type? campanulte tubular cruciform rotate
ligulate The rose has which inflorescence morphology type? campanulte tubular cruciform
rotate ligulate The fig is which type of fruit? Simple - Legume Simple - Drupe Simple - Berry
Multiple Aggregate
Solution
19- lantana has campanulate inflorescence
20-Rotate
21-Multiple fruit or false fruit.
The intensity of the sound of traffic at a busy intersection was mea.pdf
The intensity of the sound of traffic at a busy intersection was measured at 2.0 × 101 W/m2. Find
the decibel level. (Round your answer to the nearest whole number.)
Solution
Sound intensity of traffic at a busy intersection is given by I = 2×10^1 W/m².
Now,
Reference sound intensity Io = 10^12 W/m² (Threshold of hearing)
Reference sound intensity level LIo = 0 dB (Threshold of hearing level)
we need to find sound intensity level LI in dB when entering sound intensity I = 2×10^1 W/m².
Sound intensity level LI = 10×log (I / Io) dB = 10×log (2×10^1 / 10^12)=10*11.30 dB
= 113.01 dB
=113dB on round off.
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The garden pea is described as \"self-fertilizing.\" What does this mean and why was this
significant to the success of Mendel\'s inheritance experiments?
Solution
The pea plant which Mendel chose for conducting experiments, is most ideal for controlled
breeding, since it can easily be subjected to cross pollination as well as self pollination. This
gives the success to Mendel\'s inheritance experiments.
The main other resons for mendal success are.
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The equation for the time of one swing of a pendulum is given by T = 2 pi Squareroot L/32
where T is the time in seconds, pi almostequalto 3.14, & L is the length in feet. What is the
length of the pendulum if it makes one (1) swing in 4 seconds, according to the formula?
Solution
T=2*pi*(L/32)^.5
Squaring on both sides
(T/(2*pi))^2=L/32
Given time =4 sec
L/32= (4/(2pi))^2
L/32= 4/10
L=128/10
L=12.8
Length of pendulum =12.8 units
L/32=.
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The assumption that arrivals follow a Poisson probability distribution is equivalent to the
assumption that the time between arrivals has
a normal probability distribution
an exponential probability distribution
a uniform probability distribution
a Poisson probability distributiona.
a normal probability distributionb.
an exponential probability distributionc.
a uniform probability distributiond.
a Poisson probability distribution
Solution
The assumption that arrivals follow a Poisson probability distribution is equivalent to the
assumption that the time between arrivals has b. an exponential probability distribution.
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