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Which of the following molecules affects the mobility of fatty acyl chains in the plasma membrane?

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Which of the following molecules affects the mobility of fatty acyl chains in the plasma membrane?

(a) starch

(b) glycogen

(c) cholesterol

(d) carbohydrates

The question was asked in an internship interview.

The above asked question is from Cellular Membranes topic in portion Cellular Membranes of Cell Biology

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Right answer is (c) cholesterol

The explanation is: Cholesterol disrupts the packing between fatty acyl chains and interferes with their mobility. It makes the membrane durable while decreasing the permeability of the membrane.

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