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Essential Biochemistry - Carbohydrate Chemistry (Section 6)

1
Which of the following are true about glycoproteins?
Answer
A
B
C
2
Which of the following are true about the oxidation of sugars?
Answer
A
B
C
3
Which of the following are properties of GAGs?
Answer
A
C
D
4
Which amino sugar is found in the repeating disaccharide unit of hyaluronic acid?
Answer
(A)
N-acetylglucosamine
5
What is the general formula for carbohydrates?
Answer
(C)
Cn(H2O)n
6
What are the components of starch?
Answer
A
B
7
Which of the following is a disaccharide?
Answer
(C)
Maltose
8
Which of the following is a disaccharide?
Answer
(C)
Sucrose
9
Insulin is:
Answer
(A)
Fructosans
10
What type of isomerism is exhibited by glucose and fructose?
Answer
(B)
Structural isomerism
11
Which of the following is a characteristic of alpha and beta anomers?
Answer
(A)
They differ in the configuration around the anomeric carbon.
12
What is the role of proteoglycans in tissues?
Answer
(B)
Structural support
13
What type of glycosidic linkage is present in sucrose?
Answer
(C)
α(1→2)
14
Which of the following is not a reducing sugar?
Answer
(C)
Sucrose
15
Which of the following are characteristics of amino sugars?
Answer
A
B
C
16
What type of isomerism is exhibited by D-glucose and L-glucose?
Answer
(A)
Enantiomerism
17
Which of these is the main storage form of carbohydrates in plants?
Answer
(B)
Starch
18
Which of the following is a common GAG found in synovial fluid?
Answer
(B)
Hyaluronic acid
19
What are the monomers of cellulose?
Answer
(A)
Glucose
20
Amylopectin is a branched polymer with which type of linkages?
Answer
(C)
α(1→4) and α(1→6)
21
Which of the following is a non-reducing disaccharide?
Answer
(C)
Sucrose
22
D-glucose and D-galactose are ________ of each other.
Answer
(A)
Epimers
23
What type of bond links glucose molecules in cellulose?
Answer
(B)
Beta-1,4-glycosidic bond
24
What is the role of cellulose in the human diet?
Answer
(C)
Dietary fiber
25
The sugar residues of glycogen are:
Answer
(A)
In α(1 → 4) and α(1 → 6) linkages
26
Which of the following are Reducing Sugars?
Answer
A
C
D
27
What type of linkage is most common in amylose?
Answer
(B)
α(1→4)
28
Which of the following describes the process of mutarotation?
Answer
(A)
The interconversion of alpha and beta anomers.
29
Which of the following is/are example(s) of GAGs?
Answer
A
B
C
30
Which of the following is an example of a homopolysaccharide?
Answer
(C)
Starch
31
Which disaccharide is broken down by lactase?
Answer
(C)
Lactose
32
Which disaccharide is known as milk sugar?
Answer
(C)
Lactose
33
Which of the following carbohydrate is dietary fiber?
Answer
(A)
Cellulose
34
Which of the following is an example of a heteropolysaccharide?
Answer
(D)
Hyaluronic acid
35
What is the main function of GAGs?
Answer
(B)
Structural support
36
The glycosidic bond in lactose is between:
Answer
(C)
Galactose and glucose
37
Hyaluronic acid is a GAG that is found in:
Answer
(C)
Synovial fluid
38
The branch points in amylopectin are formed by:
Answer
(C)
α(1→6) glycosidic bonds
39
Which of the following is a function of starch in plants?
Answer
(B)
Energy storage
40
Which of the following is NOT a function of carbohydrates?
Answer
(D)
Hormone synthesis
41
Which of the following are properties of GAGs?
Answer
A
B
D
42
Glycoproteins are characterized by:
Answer
(B)
Covalently attached oligosaccharides
43
What is the general formula for monosaccharides?
Answer
(A)
(CH2O)n
44
What is the primary repeating unit in GAGs?
Answer
(C)
Disaccharides
45
What is the function of glycoproteins in the cell membrane?
Answer
A
B
C
46
Dextrins are produced by the partial hydrolysis of:
Answer
(C)
Starch
47
Sucrose is composed of:
Answer
(B)
Glucose + Fructose
48
Which of the following is a characteristic of glycoproteins?
Answer
(B)
Presence of a protein backbone
49
Which of the following is the storage form of glucose in animals?
Answer
(B)
Glycogen
50
Which of the following are examples of reducing sugars?
Answer
A
C
D