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Which class of molecules forms the main structural framew... | QuestionStock

Representative image for question: Which class of molecules forms the main structural framework of cell membranes, with hydrophilic heads and two hydrophobic tails?

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Science

Which class of molecules forms the main structural framework of cell membranes, with hydrophilic heads and two hydrophobic tails?

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Which class of molecules forms the main structural framework of cell membranes, with hydrophilic heads and two hydrophobic tails?

Options:

Phospholipids
Triglycerides
Cholesterol
Glycogen

Correct answer: Phospholipids

Explanation: Cell membranes are primarily composed of phospholipids, each with a hydrophilic head and two hydrophobic fatty-acid tails; those tails commonly contain about 16–18 carbon atoms.

Created 2026-03-10T17:31:34.110Z. Updated 2026-03-10T17:31:34.110Z.