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Art [367]
3 years ago
14

how do unicellular organisms and multicellular organisms compare in meeting their needs to stay alive

Biology
1 answer:
oksano4ka [1.4K]3 years ago
6 0
<span>They utilize what they have but both are efficient its just that eukaryotic organisms have a better system for surivival and storage than prokaryotic which in contrast needs a lot of sustained energy.

There are differences between Eukaryotic and Prokaryotic cells. This difference is considered to be the most important distinction between groups of organisms. A Prokaryotic cell does not contain a nucleus. It only contains one chromosome and is a single-celled organism. It was the only form of life on earth for millions of years. Examples of a Prokaryotic cell are the different types of bacteria present today. 
A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multi-celled organism.  <span>Both plant and animal cells are eukaryotic cells.</span></span>
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The Various kinases can be activated by breaks in DNA.
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Answer:

The Various Kinases that is activated after the breaks in DNA is after the activation of ATM serine threonine kinase which helps in phosphorylation of other DNA replication check proteins, p53 protein (tumor suppressor protein) etc.

Explanation:

ATM activated by MRN complex at the site of DNA double stranded breaks by phosphorylation. MRN complex activity on ATM induces a conformational change in ATM kinase. So it can bind to its various substrate molecules that helps in DNA replication cycle arrest.

ATM phosphorylates CHK2 protein a product of CHEK2 gene, also known as effector kinases that phosphorylates and helps in deactivation of cyclin dependent kinases (CDKs) that helps in the prevention of progression of mitotic phase.

ATM also phosphorylates the inhibitors of p53 proteins which leads to the overexpression of p21, an inhibitor of (CDKs).

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Answer:

Even though there is no answer choices. I know this has something to do with Charles Darwin and his experiments when he went to the Galápagos islands when he studied the finches

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7 0
2 years ago
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Svet_ta [14]
Correct answer:
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2 years ago
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