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Vlad [161]
3 years ago
13

Describe the purpose of the cell membrane.

Biology
2 answers:
storchak [24]3 years ago
8 0
The purpose of a cell membrane is that <span>it controls what passes into and out of the cell. </span>Cell membrane do a lot of function. protection of cell. food ingestion and excretion from cell. a medium between cell and outer environment. The cell membrane regulates the passage of chemicals in or out of the cell.
Ulleksa [173]3 years ago
5 0
It’s main purpose is to protect the cell from its surroundings
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for RNA, you’ll just do the opposite of what the DNA strand says..... so A pairs with T and C pairs with G

for the actual acids, you’ll just list the names of the RNA sequence, which could be adenine, thymine, guanine, or cytosine
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What percentage of Nitrogen Bases are in Cytosine if the strand has 40% Thymine?​
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plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%. Then divide this by 2 and you will get 30%. 30% of guanine and 30% of cytosine, because their amounts are equal in the DNA stand.

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