Question

question 4
which part of the phospholipid molecule is hydrophilic?
the lipid tails
the phosphate head
the cholesterol
the entire molecule
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Explanation:

Phospholipids have a phosphate head and lipid tails. Hydrophilic means water - loving. The phosphate head has a polar structure (due to the phosphate group) which can interact with water (a polar molecule). Lipid tails are non - polar (hydrophobic). Cholesterol is not part of the basic phospholipid structure in terms of this hydrophilic/hydrophobic division. The entire molecule is not hydrophilic as the tails are hydrophobic.

Answer:

The phosphate head