Plasma membrane is mainly composed of:

Lipids

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Proteins

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Chitin

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Peptidoglycan

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Cellulose

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Solution

The correct option is B 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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Similar questions

	I		II
(p)	Plasma membrane mainly contains	(i)	Hemicellulose
(q)	Middle lamella is mainly composed of	(ii)	Calcium pectate
		(iii)	Proteinaceous filaments
		(iv)	Proteins embedded m phospholipid bilayer

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

The cell membranes are mainly composed of

[CBSE PMT 2005]

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