M.Sc. Bio-Chemistry (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

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10.

The peptidoglycan in bacterial envelopes is an alternating copolymer of;

A: N-acetylglucosamine and N-acetylmuramic acid linked by β 1->4 Glycosidic bonds
B: N-acetylglucosamine and N-acetylmuramic acid linked by α 1->4 Glycosidic bonds
C: N-acetylglucosamine and N-acetylmuramic acid linked by β 1->2 Glycosidic bonds
D: N-acetylglucosamine and N-acetylmuramic acid linked by α 1->2 Glycosidic bonds

The answer is: A

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