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Essential Biochemistry - Carbohydrate Chemistry (Section 2)

1
Amylase breaks down which of the following?
Answer
(B)
Amylose
2
What is the name of the bond that links the monomers in a protein?
Answer
(B)
Peptide bond
3
What are the components of the disaccharide lactose?
Answer
A
C
4
What type of bond links the sugar units in cellulose?
Answer
(B)
β(1→4) glycosidic bond
5
What type of linkage is present in amylopectin?
Answer
(C)
α(1-4) and α(1-6)
6
What is the meaning of the term 'epimer' in carbohydrate chemistry?
Answer
(A)
Isomers that differ at only one chiral center
7
Which of the following GAGs is found in the cornea?
Answer
(C)
Keratan sulfate
8
Which of the following are properties of polysaccharides?
Answer
A
D
9
Which disaccharide is found in milk?
Answer
(C)
Lactose
10
Which of the following is NOT a reducing sugar?
Answer
(C)
Sucrose
11
The sugar residues of glycogen are:
Answer
(A)
in a (1 → 4) and α(1 → 6) linkages
12
What is the difference between a hexose and a pentose?
Answer
(B)
Number of carbon atoms
13
What is the glycosidic linkage in sucrose?
Answer
(C)
α(1→1)
14
Which of the following is a uronic acid?
Answer
(B)
Glucuronic acid
15
Which of the following is NOT a characteristic of a reducing sugar?
Answer
(D)
Forms a glycosidic bond with another sugar
16
What functional group is characteristic of a ketose sugar?
Answer
(B)
Ketone
17
Which of the following is a characteristic of monosaccharides?
Answer
(B)
They are sweet-tasting.
18
Which of the following is NOT a characteristic of GAGs?
Answer
(D)
They contain proteins
19
What is the process by which sugar molecules form ring structures?
Answer
(C)
Cyclization
20
Which of the following tests can differentiate between a reducing sugar and a non-reducing sugar?
Answer
A
C
21
Which of the following is the main storage polysaccharide in animals?
Answer
(C)
Glycogen
22
Which of the following will give a positive result in the Seliwanoff's test?
Answer
(B)
Fructose
23
What type of linkage is found in amylose?
Answer
(C)
α(1→4) glycosidic
24
What is the difference between a D- and L-sugar?
Answer
(B)
The configuration of the asymmetric carbon farthest from the carbonyl group
25
Which of the following are examples of hexose sugars?
Answer
A
B
D
26
Which of the following are classified as polysaccharides?
Answer
A
B
C
27
Which of the following are examples of a disaccharide?
Answer
C
D
28
What is the role of anomers in sugar chemistry?
Answer
(A)
They are isomers that differ in configuration around the anomeric carbon
29
Which of the following can be considered epimers?
Answer
B
C
30
What is the name for the process where a sugar molecule is converted into a ring structure?
Answer
(C)
Cyclization
31
What type of glycosidic bond is found in cellobiose?
Answer
(B)
beta 1,4
32
What type of isomers are glucose and mannose?
Answer
(B)
Epimers
33
Which of the following polysaccharides is NOT digestible by humans?
Answer
(C)
Cellulose
34
What is the process by which glucose molecules are linked together to form starch?
Answer
(B)
Dehydration
35
What is the primary function of cellulose in plants?
Answer
(B)
Structural support
36
Which of the following are characteristics of a monosaccharide?
Answer
A
C
D
37
Which of the following are properties of carbohydrates?
Answer
A
C
D
38
What is the primary component of plant cell walls?
Answer
(C)
Cellulose
39
Functions of glycoproteins include:
Answer
A
B
C
40
Which of the following is the main storage polysaccharide in plants?
Answer
(C)
Starch
41
What is the name of the process in which monosaccharides are linked together?
Answer
(B)
Dehydration
42
What are some of the general functions of carbohydrates?
Answer
A
B
D
43
What is the common name for sucrose?
Answer
(A)
Table sugar
44
What is the primary function of glycogen in animals?
Answer
(B)
Energy storage
45
Which GAG is an anticoagulant?
Answer
(B)
Heparin
46
What are some examples of hexose sugars?
Answer
A
B
C
47
What type of bond connects glucose units in cellulose?
Answer
(B)
Beta-1,4-glycosidic bonds
48
Which of the following are monosaccharides?
Answer
A
B
C
49
What is the primary function of glycogen in animals?
Answer
(B)
Energy storage
50
Which of the following are considered homopolysaccharides?
Answer
A
B
C