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