Biochemistry Exam 4- Portage Exam
Questions & Answers (Grade A+)
which of the following monosaccharides is not an aldose?
a. erythrose
b. dihydroxyacetone
c. glucose
d. glyceraldehyde
e. ribose -
correct answer ✅B.
Which of the following monosaccharides is a ketose?
a. dihydroxyacetone
b. galactose
c. glucose
d. glyceraldehyde
e. dose -
correct answer ✅a.
When two carbohydrates are epimers:
A. One is a pyranose, the other a furanose
,Biochemistry Exam 4- Portage Exam
Questions & Answers (Grade A+)
B.One is an aldose, the other a ketose
C. They differ in length by one carbon
D. They differ only in the configuration about one carbon atom E.
They react differently with iodine -
correct answer ✅d
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 -
correct answer ✅C.
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
, Biochemistry Exam 4- Portage Exam
Questions & Answers (Grade A+)
e. alpha-D-glucose and beta-D-glucose -
correct answer ✅E.
Amylose and Amylopectin are both polymers of:
A. alpha-d-glucose
B. beta-d-glucose
C. Galactose
D. Idose
E. Maltose -
correct answer ✅A.
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.
Questions & Answers (Grade A+)
which of the following monosaccharides is not an aldose?
a. erythrose
b. dihydroxyacetone
c. glucose
d. glyceraldehyde
e. ribose -
correct answer ✅B.
Which of the following monosaccharides is a ketose?
a. dihydroxyacetone
b. galactose
c. glucose
d. glyceraldehyde
e. dose -
correct answer ✅a.
When two carbohydrates are epimers:
A. One is a pyranose, the other a furanose
,Biochemistry Exam 4- Portage Exam
Questions & Answers (Grade A+)
B.One is an aldose, the other a ketose
C. They differ in length by one carbon
D. They differ only in the configuration about one carbon atom E.
They react differently with iodine -
correct answer ✅d
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 -
correct answer ✅C.
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
, Biochemistry Exam 4- Portage Exam
Questions & Answers (Grade A+)
e. alpha-D-glucose and beta-D-glucose -
correct answer ✅E.
Amylose and Amylopectin are both polymers of:
A. alpha-d-glucose
B. beta-d-glucose
C. Galactose
D. Idose
E. Maltose -
correct answer ✅A.
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.
