Biochem Module 4 Exam Questions and Answers 100% Solved

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Biochem Module 4 Exam Questions and

Answers 100% Solved


which of the following monosaccharides is not an aldose?




a. erythrose

b. dihydroxyacetone

c. glucose

d. glyceraldehyde


e. ribose - ✔✔b. dihydroxyacetone


when two monosaccharides are epimers:




a. they differ only in the configuration about the penultimate carbon

b. one is an aldose, the other a ketose

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

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d. they form o-glycosidic bonds


e. they are oligosaccharides - ✔✔c. 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. alpha-D-glucose and beta-D-fructose


e. alpha-D-glucose and beta-D-glucose - ✔✔e. alpha-D-glucose and

beta-D-glucose

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




a. a polysaccharide is formed

b. gas is eliminated

c. an epimer is formed

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d. an anomeric carbon is formed on carbon-1


e. lactose forms by a condensation reaction - ✔✔e. lactose forms by a

condensation reaction

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 released

d. an epimer is formed


e. an aldose is formed - ✔✔c. water is released


chitin and cellulose are both polymers of:




a. alpha-D-glucose

b. galactose

c. beta-D-glucose

d. idose