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Biochem Module 4 Exam questions and answers rated A+ 2024/2025
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Biochem Module 4 ExamWhich of the following monosaccharides is not an aldose?
A. Erythrose
b. Dihydroxyacetone
c. Glucose
d. Glyceraldehyde
e. Ribose - b. Dihydroxyacetone
while two monosaccharides are epimers:
a. They fluctuate simplest within the configuration approximately the penultimate carbon
b. One is an aldose, the opposite a ketose
c. They fluctuate most effective within the configuration about one carbon atom
d. They shape o-glycosidic bonds
e. They're oligosaccharides - c. They range best inside 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. While this occurs:
a. A polysaccharide is formed
b. Gasoline is removed
c. An epimer is fashioned
d. An anomeric carbon is shaped on carbon-1
e. Lactose paperwork by using a condensation reaction - e. Lactose bureaucracy by a
condensation response
lactose is crafted from linking galactose and glucose. Whilst this happens:
a. Gasoline is removed
b. An anomeric carbon is shaped on carbon-1
c. Water is launched
d. An epimer is fashioned
e. An aldose is formed - c. Water is released
chitin and cellulose are each polymers of:
, a. Alpha-D-glucose
b. Galactose
c. Beta-D-glucose
d. Idose
e. Maltose - c. Beta-D-glucose
*starch, glycogen, amylose, and amylopectin = alpha-D-glucose
amylose and amylopectin are each polymers of:
a. Alpha-D-glucose
b. Beta-D-glucose
c. Galactose
d. Idose
e. Maltose - a. Alpha-D-glucose
*cellulose and chitin = beta-D-glucose
*starch, glycogen, amylose, and amylopectin = alpha-D-glucose
which statement approximately starch and glycogen is false?
A. Amylose is unbranched; amylopectin and glycogen incorporate many branches
b. Both are heteropolymers of glucose
c. Each have many -OH corporations in their systems
d. Both starch and glycogen are electricity garage polysaccharides
e. Glycogen is extra notably branched than starch - b. Each are heteropolymers of glucose
which announcement approximately starch and glycogen is false?
A. Each have beta-D-glucose monomers
b. Each starch and glycogen are energy storage polysaccharides
c. Both are homopolymers of glucose
d. Glycogen is greater extensively branched that starch
e. Both have O-glycosidic linkages - a. Both have beta-D-glucose monomers
*starch and glycogen have alpha-D-glucose monomers
which monosaccharide isn't always a 6-carbon monosaccharide?
A. Idose
b. Glucose
c. Galactose
d. Dihydroxyacetone
e. Allose - d. Dihydroxyacetone
which monosaccharide isn't always a 6-carbon monosaccharide?
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