There is only ONE correct answer. Attached at the bottom is an information \"Hel

Question

There is only ONE correct answer.

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The following carbohydrate is derived from a larger oligosaccharide that is frequently found attached to secreted eukaryotic proteins. Use this structure to answer questions 20-22 below. Carbohydrate B OH HO glycosidic HO LO linkage 2 HO CHO HO LO HO HO HO HO HO Z OH HO HN glycosidic HN linkage 3 Carbohydrate A glycosidic linkage 1 20. Which of the following best describes carbohydrate A? A. N-Acetyl B-D-glucoseamine B. N-Acetyl B-D-mannoseamine C. N-Acetyl B-D-galactoseamine D. B-D-glucose E. B-D-mannose F. B-D-galactose G. a-D-glucose H. a-D-mannose I. a-D-galactose

Explanation / Answer

Ans = A

Carbohydrate A = N-acetyl beta-D-glucose amine

It has beta-D-glucose structure.

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