Portage Learning Chem 210 Module EXAM 4
Question 1
3 / 3 pts
Which of the following monosaccharides is not an aldose?
Erythrose Correct!
Dihydroxyacetone Glucose Glyceraldehyde Ribose
Question 2
3 / 3 pts
When two monosaccharides are epimers:
They differ only in the configuration abo...
portage learning chem 210 module exam 4 question 1 3 3 pts which of the following monosaccharides is not an aldose erythrose correct dihydroxyacetone glucose glyceraldehyde ribose question 2 3
Portage Learning Chem 210 Module EXAM 4
Question 1
pts
Which of the following monosaccharides is not an aldose?
Erythrose
Correct!
Dihydroxyacetone
Glucose
Glyceraldehyde
Ribose
Question 2
pts
When two monosaccharides are epimers:
They differ only in the configuration about the penultimate carbon
One is an aldose, the other a ketose
Correct!
They differ only in the configuration about one carbon atom
They form O-glycosidic bonds
They are oligosaccharides
Question 3
pts
Which pair is anomeric?
A) D-glucose and D-fructose
B) D-glucose and L-fructose
C) D-glucose and L-glucose
,D) α -D-glucose and β -D-glucose
E) α -D-glucose and β -L-glucose
A
B
C
Correct!
D
E
Question 4
pts
Lactose is made from linking galactose and glucose. When this happens, .
A polysaccharide is formed
Gas is eliminated
An epimer is formed
An anomeric carbon is formed on carbon-1
Correct!
Lactose forms by a condensation reaction
Question 5
pts
Chitin and cellulose are both polymers of:
A) α -D-glucose
B) Galactose
C) β -D-glucose
D) Idose
E) Maltose
, A
B
Correct!
C
D
E
Question 6
pts
Which statement about starch and glycogen is false?
A) Amylose is unbranched; amylopectin and glycogen contain many ( α1 → 6)
branches
B) Both are heteropolymers of glucose
C) Both have many -OH groups in their structures
D) Both starch and glycogen are energy storage polysaccharides
E) Glycogen is more extensively branched than starch
A
Correct!
B
C
D
E
Question 7
pts
Which monosaccharide is not a six-carbon monosaccharide?
Idose
Gulose
Galactose
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