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crimeas [40]
2 years ago
10

What is a nucleolus and where is it found??

Biology
1 answer:
MariettaO [177]2 years ago
7 0

a nucleolus is a small spherical structure found in the nucleus of a cell, it takes up about 25% the space in rhe nucleus and synthesises ribosome

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What makes elements and compounds different from mixtures? Elements and compounds-
Reika [66]

Answer:

C

Explanation:

I hope this helps

5 0
3 years ago
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in an experiment, you mutate the retinoblastoma gene such that its gene product behaves as if hyperphosphorylated. the result wo
lakkis [162]

Answer:

1. Weaker

2. Continuous

Explanation:

A tumor suppressor gene codes for retinoblastoma protein (pRb). The retinoblastoma protein binds to transcription factor E2F when DNA damage is detected. The E2F bound to pRb can not stimulate expression of genes that code for proteins required during the process of DNA synthesis. The cell can not enter the S phase.

On the other hand, when the retinoblastoma protein is phosphorylated by cyclin E-CDK2, E2F transcription factor is free to stimulate the expression of genes required for DNA synthesis and the cell proceeds from G1 to S phase.  

When the mutated retinoblastoma gene code for a protein that serves as phosphorylated protein, it will not be able to bind strongly with E2F and there would be continuous expression of genes required for S phase.  

3 0
3 years ago
What is the third life cycle stage during incomplete metamorphosis of insects
LiRa [457]

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6 0
3 years ago
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What do cooked mice, roasted parrots, and salted jellyfish have in common?
Lena [83]
In your case, they're all animals that were used to make dishes.


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4 0
3 years ago
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Which scenario MOST LIKELY represents genetic drift and why?
Dahasolnce [82]

Answer:

I think b

Explanation:

I think b I am not so sure

8 0
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