Course

Biotechnology

Study Pack

Set 7 Carbohydrates And Glycobiology

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Question 1

(Multiple Choice)

Free
D-Glucose is called a reducing sugar because it undergoes an oxidation-reduction reaction at the anomeric carbon. One of the products of this reaction is:

A) D-galactose.
B) D-gluconate.
C) D-glucuronate.
D) D-ribose.
E) muramic acid.

Answer

Question 2

(Multiple Choice)

Free
Which pair is epimeric?

A) D-glucose and D-glucosamine
B) D-glucose and D-mannose
C) D-glucose and L-glucose
D) D-lactose and D-sucrose
E) L-mannose and L-fructose

Answer

Question 3

(Multiple Choice)

Free
When two carbohydrates are epimers:

A) one is a pyranose, the other a furanose.
B) one is an aldose, the other a ketose.
C) they differ in length by one carbon.
D) they differ only in the configuration around one carbon atom.
E) they rotate plane-polarized light in the same direction.

Answer