Portage Learning Chem 210 - Module 4 exam.
Which of the following monosaccharides is a ketose?
Dihydroxyacetone Galactose Glucose Glyceraldehyde Idose
Dihydroxyacetone
When two carbohydrates are epimers:
One is a pyranose, the other a furanose One is an aldose, the other a ket...
Which of the following monosaccharides is a ketose?
Dihydroxyaceto
ne Galactose
Glucose
Glyceraldehyde
Idose
Dihydroxyacetone
Question 2
pts
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 carbon
They differ only in the configuration about one
carbon atom They react differently with iodine
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) -D-glucose and -D-glucose
E) α-D-glucose and β-L-glucose
D) -D-glucose and -D-glucose
Question 4
pts
,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
WATER IS RELEASED
Question 5
pts
Amylose and amylopectin are both polymers of:
A) α-D-glucose
B) β-D-glucose
C) Galactose
D) Idose
E) Maltose
A) α-D-glucose
Question 6
pts
, 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
A) Both have β-D-glucose monomers
Question 7
pts
Which monosaccharide is not a six-carbon monosaccharide?
The two monosaccharides shown below could best be described as:
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