Biochem module 4 exam Questions With Complete Solutions
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Module
CHEM 210
Institution
University Of Toronto (U Of T
)
Which of the following monosaccharides is a ketose?
Dihydroxyacetone
Galactose
Glucose
Glyceraldehyde
Idose correct answer: dihydroxyacetone
When two carbohydrates are epimers:
One is a pyranose, the other a furanose
One is an aldose, the other a ketose
They differ in length by ...
One is a pyranose, the other a furanose
One is an aldose, the other a ketose
They differ in length by one carbon
They differ only in the configuration about one carbon atom
They react differently with iodine correct answer: They differ
only in the confirmation about one carbon atom
correct answer: D.) alpha-D-glucose and beta-D-glucose
Lactose is made from linking galactose and glucose. When this
happens, _____.
Gas is eliminated
An anomeric carbon is formed on carbon-1
Water is released
An epimer is formed
, An aldose is formed correct answer: water is released
Amylose and amylopectin are both polymers of:
A) α-D-glucose
B) β-D-glucose
C) Galactose
D) Idose
E) Maltose correct answer: A.) alpha-D-glucose
Which statement about starch and glycogen is false?
A) Both have β-D-glucose monomers
B) Both starch and glycogen are energy storage polysaccharides
C) Both are homopolymers of glucose
D) Glycogen is more extensively branched than starch
E) Both have O-glycosidic linkages correct answer: A.) both
have beta-D-Glucose monomers
Which monosaccharide is not a six-carbon monosaccharide?
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