CHEM 210 EXAM 4 EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

CHEM 210 EXAM 4 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025

which of the following monosaccharides is a ketose?

A. dihydroxyacetone

B. galactose

C. glucose

D. glyceraldehyde

E. idose - CORRECT-ANSWERSA. dihydroxyacetone

when two carbohydrates are epimers:

A. one is a pyranose, the other is a furanose

B. one is an aldose, the other is a ketose

C. they differ in length by one carbon

D. they differ only in the configuration about one carbon atom

E. they react differently with iodine - CORRECT-ANSWERSD. they differ only in the

configuration about one carbon atom

which pair is anomeric?

A. D-glucose and D-fructose

, B. D-glucose and L-fructose

C. D-glucose and L-glucose

D. a-D-glucose and b-D-glucose

E. a-D-glucose and b-L-glucose - CORRECT-ANSWERSD. a-D-glucose and b-D-glucose

lactose is made from linking galactose and glucose. when this happens, _______.

A. gas is eliminated

B. an anomeric carbon is formed on carbon-1

C. water is release

D. an epimer is formed

E. an aldose is formed - CORRECT-ANSWERSC. water is released

amylose and amylopectin are both polymers of:

A. a-D-glucose

B. b-D-glucose

C. galactose

D. idose

E. maltose - CORRECT-ANSWERSA. a-D-glucose

which statement about starch and glycogen is false?

A. both have b-D-glucose monomers

B. both starch and glycogen are energy storage polysaccharides