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Which of the following promote curvature of cell membrane?

(a) Phosphatidyl choline (PC)

(b) Phosphatidyl serine (PS)

(c) Phosphatidyl ethanolamine (PE)

(d) Phosphatidyl inositol(PI)

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The query is from Chemical Composition of Membranes in section Cellular Membranes of Cell Biology

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Correct option is (c) Phosphatidyl ethanolamine (PE)

Easy explanation: PE promotes the curvature of cell membrane. This is important in the budding and fusion of cell membranes during maturation.

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