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Paraphin [41]
3 years ago
14

PLS HELP!!

Biology
1 answer:
Dmitry [639]3 years ago
6 0

The cell membrane separates the intracellular environment from the extracellular environment outside of the cell. A phospholipid is composed of a phosphate group and a lipid. It is composed of a hydrophilic, polar phosphate head and two hydrophobic fatty acid tails.

The structure of the bilayer is such that the tails are shielded from contact with water, creating a selectively-permeable barrier which will be impermeable to most hydrophilic molecules.

So, the answer is A) To maintain balance of water and nutrients in the cell.

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