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Question

One of the major components of bacterial cell wall is a polymer called as

A
Peptidoglycan
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B
Cellulose
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C
Chitin
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D
Xylan
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Solution

The correct option is A Peptidoglycan
Bacterial cell wall is composed of peptidoglycan. This is a complex polymer, which consist of : (1) backbone of alternating unit of N-acetylglucosamine and N-acetylmuramic acid, (2) tetrapeptide side chain, attached to n-acetylmuramic acid, (3) peptide cross bridges.

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