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Essential Biochemistry - Carbohydrate Chemistry (Section 5)

1
The Functions of Glycoproteins?
Answer
A
B
C
D
2
Which of the following is a characteristic of cellulose?
Answer
(C)
It is a polymer of glucose linked by β(1→4) bonds.
3
Which of the following is a function of GAGs?
Answer
(D)
All of the above
4
Which of the following is a characteristic of proteoglycans?
Answer
(B)
Covalently attached GAGs
5
Which of the following is a characteristic of reducing sugars?
Answer
(A)
They contain a free aldehyde or ketone group.
6
Which of the following statements is correct regarding the structure of glycogen?
Answer
(C)
It is a branched polymer of glucose.
7
What is the storage form of glucose in animals?
Answer
(C)
Glycogen
8
Which of the following GAGs does not contain uronic acid?
Answer
(B)
Keratan sulfate
9
What type of reaction links monosaccharides together?
Answer
(B)
Dehydration
10
Which of the following is a polysaccharide?
Answer
(D)
Cellulose
11
The main function of cellulose is?
Answer
(B)
Structural support in plants
12
Which of the following statements best describes glycoproteins?
Answer
(B)
Proteins with covalently attached carbohydrates
13
Which of the following linkages is NOT found in starch?
Answer
(C)
β(1→4)
14
Which of the following is the most abundant monosaccharide?
Answer
(A)
Glucose
15
What is the glycosidic linkage?
Answer
(A)
A bond between two monosaccharides
16
What is the name of the bond that joins two monosaccharides?
Answer
(B)
Glycosidic bond
17
Which monosaccharides make up maltose?
Answer
(B)
Glucose + Glucose
18
Which of the following is a component of both amylose and amylopectin?
Answer
(C)
α(1→4) glycosidic bonds
19
Which of the following are important to note when classifying monosaccharides?
Answer
A
B
20
Which of the following is NOT a disaccharide?
Answer
(D)
Glucose
21
Which of the following is/are found in both amylose and amylopectin?
Answer
A
D
22
What type of glycosidic linkage is found in cellulose?
Answer
(B)
β(1→4)
23
Which of the following are the main components of starch?
Answer
A
B
24
Which of the following statements is true for fructose?
Answer
(C)
It is involved in the formation of sucrose
25
What is the process of glucose breakdown called?
Answer
(C)
Glycolysis
26
Select the properties of GAGs.
Answer
A
B
C
27
What type of sugar is fructose?
Answer
(B)
Ketose
28
Which of the following is NOT a GAG?
Answer
(D)
Insulin
29
All the following are composed exclusively of glucose, except:
Answer
(C)
Lactose
30
Which of the following is an example of a polysaccharide?
Answer
(C)
Starch
31
Important features of GAGs are:
Answer
A
B
C
D
32
What is the most common glycosidic linkage in starch?
Answer
(A)
alpha-1,4
33
What type of bond links monosaccharides in disaccharides?
Answer
(B)
Glycosidic bond
34
What is a reducing sugar?
Answer
(A)
A sugar that can be oxidized
35
D-galactose and D-glucose are:
Answer
(A)
Epimers of each other
36
In which location is glycogen primarily stored in animals?
Answer
(A)
Muscles and Liver
37
Which of the following is not hydrolyzed by α-amylase?
Answer
(C)
Cellulose
38
Which of the following is a component of the extracellular matrix?
Answer
(D)
All of the above
39
What is the storage form of glucose in plants?
Answer
(C)
Starch
40
What is the repeating disaccharide unit of heparin?
Answer
(B)
Glucosamine - glucuronic acid or iduronic acid
41
Which of the following is a monosaccharide?
Answer
(C)
Glucose
42
Amylase is an enzyme that breaks down:
Answer
(A)
Starch
43
The structure of glycogen is most similar to that of:
Answer
(C)
Amylopectin
44
What is a primary function of glycoproteins?
Answer
A
B
D
45
Glycosaminoglycans are:
Answer
(C)
Heteroglycans
46
Which of the following is/are the role(s) of glycoproteins?
Answer
A
B
C
47
Which of the following is/are found in GAGs?
Answer
A
B
C
48
Which of the following are disaccharides?
Answer
B
C
49
What is a key function of GAGs in cartilage?
Answer
(B)
To provide flexibility and resilience
50
Which of the following are involved in the formation of Glycogen?
Answer
A
B
C