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Question

Biology Question on Cell: the unit of life

Which of the following components helps in building up of plasma membrane

A

Protein, vitamin, lipid

B

Lipid, mineral, protein

C

Protein, lipid, carbohydrate

D

Protein, lipid

Answer

Protein, lipid, carbohydrate

Explanation

Solution

Chemically a biomembrane consists of lipids (2079%)(20-79\%), proteins (2070%)(20-70\%), carbohydrates (15%)(1-5\%) and water (20%20\%).