M.Sc. Bio-Chemistry (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

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8.

The peptidoglycan in bacterial envelope is an alternating polymer of

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

The answer is: B

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