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Mammalian cells cultured at low temperature (25 to 30°C) lead to an increased sterol content in the membrane. Elevated sterols in the membrane result in
Mammalian cells cultured at low temperature (25 to 30°C) lead to an increased sterol content in the membrane. Elevated sterols in the membrane result in
(A) an enhancement in membrane fluidity.
(B) stabilization of membrane proteins.
(C) an increase in membrane permeability to water.
(D) a decrease in membrane fluidity.
Answer
Answer: (D) a decrease in membrane fluidity.
Explanation:
Sterols, such as cholesterol, reduce membrane fluidity at low temperatures by filling the gaps between phospholipids, making the membrane more rigid.
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