Cell membrane is composed of which of the following components?

Proteins and cellulose

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Proteins and phospholipids

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Proteins and carbohydrates

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Proteins, phospholipids and some carbohydrates

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Solution

The correct option is D Proteins, phospholipids and some carbohydrates
Plasma membrane or cell membrane is the outer covering of all cells but it is present below the cell wall in animal cells. It is mainly composed of phospholipid bilayer structure with embedded proteins and some carbohydrates. Thus, the correct answer is option D.

Suggest Corrections

	Column-I		Column-II
P.	Plasma membrane mainly contains	i.	Hemicellulose
Q.	Middle lamella mainly composed of	ii.	Calcium pectate
		iii.	Proteinaceous filments
		iv.	Proteins embedded in phospholipid bailayer