Question 1

A glycosidic bond between two monosaccharides can also be classified as a(n)

Accepted Answer

A) double bond. 
B) ester bond. 
C) ether bond. 
D) achiral bond. 
E) alcohol bond. 
A) double bond. 
B) ester bond. 
C) ether bond. 
D) achiral bond. 
E) alcohol bond.

Question 2

In the D- isomer, the -OH farthest from the carbonyl is to the left.

Accepted Answer

A) True 
 B)False

Question 3

Maltose is a

Accepted Answer

A) monosaccharide. 
B) disaccharide. 
C) trisaccharide. 
D) polysaccharide. 
E) phosphosaccharide. 
A) monosaccharide. 
B) disaccharide. 
C) trisaccharide. 
D) polysaccharide. 
E) phosphosaccharide.

Question 4

Hypoglycemia is a condition in which

Accepted Answer

A) the glucose level in the blood is about 100 mg/dL. 
B) the amount of glucose in the urine is higher than normal. 
C)  the glucose level in the blood is higher than normal. 
D)  the glucose level in the pancreas is higher than normal. 
E) the glucose level in the blood is lower than normal. 
A) the glucose level in the blood is about 100 mg/dL. 
B) the amount of glucose in the urine is higher than normal. 
C)  the glucose level in the blood is higher than normal. 
D)  the glucose level in the pancreas is higher than normal. 
E) the glucose level in the blood is lower than normal.

Question 5

A monosaccharide that consists of 5 carbon atoms, one of which is in a ketone group, is classified as a(n)

Accepted Answer

A) aldotetrose. 
B) aldopentose. 
C) aldohexose. 
D) ketotetrose. 
E) ketopentose. 
A) aldotetrose. 
B) aldopentose. 
C) aldohexose. 
D) ketotetrose. 
E) ketopentose.

Question 6

Maltose can be classified as a(n)

Accepted Answer

A) disaccharide. 
B) polysaccharide. 
C) ketose. 
D) pentose. 
E) oligosaccharide. 
A) disaccharide. 
B) polysaccharide. 
C) ketose. 
D) pentose. 
E) oligosaccharide.

Question 7

The iodine test is used to detect the presence of a reducing sugar.

Accepted Answer

A) True 
 B)False

Question 8

Cellulose will give a positive Benedict's test.

Accepted Answer

A) True 
 B)False

Question 9

Ribulose has the following structural formula. To what carbohydrate class does ribulose belong?

Accepted Answer

A) aldotetrose 
B) aldopentose 
C) ketotetrose 
D) ketopentose 
E) ketohexose 
A) aldotetrose 
B) aldopentose 
C) ketotetrose 
D) ketopentose 
E) ketohexose

Question 10

Which of the following is an example of a ketopentose?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 11

Which of the following is an example of an aldohexose?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 12

Which group of carbohydrates cannot be hydrolyzed to give smaller molecules?

Accepted Answer

A) monosaccharides 
B) disaccharides 
C) trisaccharides 
D) oligosaccharides 
E) polysaccharides 
A) monosaccharides 
B) disaccharides 
C) trisaccharides 
D) oligosaccharides 
E) polysaccharides

Question 13

A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a

Accepted Answer

A) monosaccharide. 
B) disaccharide. 
C) polysaccharide. 
D) starch. 
E) trisaccharide. 
A) monosaccharide. 
B) disaccharide. 
C) polysaccharide. 
D) starch. 
E) trisaccharide.

Question 14

Sucrose is a reducing sugar.

Accepted Answer

A) True 
 B)False

Question 15

The product of oxidation of an aldose is a carboxylic acid.

Accepted Answer

A) True 
 B)False

Question 16

Identify each Fischer projection as the D- or L-isomer.
-

Accepted Answer

The answer of Identify each Fischer projection as the D-...

Question 17

State whether each of these structures is the α- or β-form.
-

Accepted Answer

The answer of State whether each of these structures is...

Question 18

Cellulose is not digestible by humans because it contains glucose units linked by ________-glycosidic bonds.

Accepted Answer

A) α-1,2 
B) α-1,4 
C) α-1,6 
D) β-1,2 
E) β-1,4 
A) α-1,2 
B) α-1,4 
C) α-1,6 
D) β-1,2 
E) β-1,4

Question 19

This anomer is the α anomer

Accepted Answer

A) True 
 B)False

Question 20

The sugar also known as dextrose and blood sugar is

Accepted Answer

A) glucose. 
B) galactose. 
C) fructose. 
D) lactose. 
E) sucrose. 
A) glucose. 
B) galactose. 
C) fructose. 
D) lactose. 
E) sucrose.

Exam 15: Carbohydrates

A glycosidic bond between two monosaccharides can also be classified as a(n)

In the D- isomer, the -OH farthest from the carbonyl is to the left.

Maltose is a

Hypoglycemia is a condition in which

A monosaccharide that consists of 5 carbon atoms, one of which is in a ketone group, is classified as a(n)

Maltose can be classified as a(n)

The iodine test is used to detect the presence of a reducing sugar.

Cellulose will give a positive Benedict's test.

Ribulose has the following structural formula. To what carbohydrate class does ribulose belong?

Which of the following is an example of a ketopentose?

Which of the following is an example of an aldohexose?

Which group of carbohydrates cannot be hydrolyzed to give smaller molecules?

A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a

Sucrose is a reducing sugar.

The product of oxidation of an aldose is a carboxylic acid.

Identify each Fischer projection as the D- or L-isomer. -

State whether each of these structures is the α- or β-form. -

Cellulose is not digestible by humans because it contains glucose units linked by ________-glycosidic bonds.

This anomer is the α anomer

The sugar also known as dextrose and blood sugar is

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