Plasma membrane is mainly composed of:

Lipids

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Cellulose

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Peptidoglycan

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Chitin

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Proteins

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Solution

The correct option is E Proteins
Plasma membrane is a selectively permeable membrane. It covers the cytoplasm. It is made up of a phospholipid bilayer with protein molecules embedded in it. It also consists of carbohydrates and water. The ratio of proteins to lipids varies in different membranes.

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What is the plasma membrane composed of? [ 3 MARKS]

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