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Question

Which of the following is the basic component of a cell membrane?

A
Proteins
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B
Carbohydrate
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C
Lipids
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D
Both A and C
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Solution

The correct option is D Both A and C
Cell membrane or plasma membrane is the outer covering of all the cell but in plant cells, it is present below the cell wall. It is mainly composed of phospholipid bilayer structure with embedded proteins which gives the mosaic-like appearance. The membrane proteins help in the transportation of water, ions and solute molecules and the plasma membrane is semi-permeable. Thus, the correct answer is option D.

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