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Question

Cell membranes are made up of

A
Carbohydrates
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B
Phospholipids
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C
Cellulose
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D
Lignin
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Solution

The correct option is B Phospholipids
The plasma membrane is the outer covering of all the cells but in a plant cell, it is present below the cell wall. It is made up of a phospholipid bilayer. Phospholipids are lipids with a phosphate group attached to them. The phospholipids have one hydrophilic head and two hydrophobic tails. The lipid bilayers have embedded proteins. Thus, the correct answer is option B.

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