Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? a) starch b) cellulose c) protein d) phospholipid

Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? a) starch b) cellulose c) protein d) phospholipid
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ANSWER: D -- PHOSPHOLIPID
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