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ololo11 [35]
3 years ago
14

A transgenic mouse animal model is created that expresses both the Cre recombinase gene, under control of a promoter for a gene

expressed only in muscle fibers, and an androgen receptor with loxP sites around exon 2. How will expression of the androgen receptor protein be altered in the transgenic mouse
Biology
1 answer:
patriot [66]3 years ago
4 0

Answer:

The Cre-lox system triggers recombination of the androgen receptor gene in muscle cells

Explanation:

The Cre-lox system is capable of producing site-specific recombination events in a given DNA region. This technique enables the spatial and temporal control of target gene expression. The Cre-lox system contains a recombinase enzyme (Cre recombinase) that allows the recombination of specific nucleotide sequences (LoxP sequences), being thus used to produce genetic modifications (i.e., insertions, deletions, translocations, inversions, etc.) at target loci where LoxP sequences were inserted.

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The lowest surface temperature yet measured on any body in the solar system (–200 degrees C) occurs on
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The answer is Triton.Triton <span>is the largest of Neptune's </span>satellites. Triton is unique as it is the only large moon in the Solar System with a rotation opposite that of its planet. The surface of Triton is mostly frozen nitrogen, with a water-ice crust and a rock and metal core.
8 0
3 years ago
Read 2 more answers
What are chromatids and how do they differ from chromosomes
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Chromatids are only called as chromatids when they are sister chromatids, meaning that when chromosome have two double stranded DNA attached together, each of the double stranded DNA is a sister chromatid, and while the whole thing (the two sister chromatids that are attached together) is called a chromosome.

So after the DNA has been replicated, the chromosome consist of 2 sister chromatids, attached to each other at their centromere.

Overall, sister chromatid is one of the two double stranded DNA in a replicated chromosome, and chromosome is the whole "X" shape that we see. For example, in humans, after the S phase of interphase in the cell cycle, we have 46 chromosomes, with 92 chromatids, since each chromosome is an "X" shape, by having two sister chromatids.

Hope this helps!
7 0
3 years ago
a medical student divides a cadavers thorax into halves by cutting along the sagittal plane. This cut will divide the thorax int
wlad13 [49]

Answer:

A sagittal plane is an anatomical plane which divides the body into right and left halves. The thorax would be divided  in left and right sections.

5 0
3 years ago
Describe the motion shown in the lines
Bogdan [553]

Answer:

Solution

For figure (a)

During interval AB Velocity is +ve, so the particle is moving in +ve direction, but it is slowing down as acceleration (slope of v-7 curve) is negative.

During interval BC Particle remains at rest as the velocity is zero. Acceleration is also zero.

During interval CD Velocity is -ve, so the particle is moving in -ve direction and is speeding up as acceleration is also negative.

For figure (b),

During interval AB Particle is moving in +ve direction with constant velocity and acceleration is zero.

During interval BC Particle is moving in +ve direction as velocity is +ve, but it slows down until it comes to rest as acceleration is negative.

During interval CD Velocity is -ve so the particle is moving in -ve direction and is speeding up as acceleration is also negatived

5 0
3 years ago
A person that is heterozygous type AB (AB) marries a person that is heterozygous type A (AO). What is the probability that their
BigorU [14]

Answer:

The correct option is <em>B. 25 %</em>

Explanation:

 A heterozygous type can be described as the type in which both the alleles of a gene are different. If both the alleles of a gene are similar in an organism, then the person is said to be homozygous for the trait.

In the above question, two heterozygous parents are to be cross- bred to check the probability of them producing homozygous alleles (AA).

A punnet square made will show the following results:

       A     O

A     AA    AO

B    BA     BO

Hence, there will be 25% chance that the offspring produced could be homozygous AA.

6 0
3 years ago
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