Question 1

Monosaccharides with a carbonyl group at C2 are called ketoses.

Accepted Answer

A) True 
 B)False

Question 2

Which structure is a three-carbon alditol?

Accepted Answer

A)   
B)   
C)   
D)   E) None of the above
F) B) and C)

Question 3

What is the classification of the compound shown below?

Accepted Answer

A)  An aldohexose
B)  A ketohexose
C)  An aldopentose
D)  A ketopentoseE) A) and C)
F) A) and B)

Question 4

What is responsible for the different blood types in humans?

Accepted Answer

A)  Three or four proteins attached to a membrane monosaccharide on the surface of red blood cells
B)  Three or four monosaccharides attached to a membrane protein on the surface of red blood cells
C)  Three or four amino acids attached to a membrane monosaccharide on the surface of red blood cells
D)  Three or four lipids attached to a membrane polysaccharide on the surface of red blood cellsE) B) and D)
F) B) and C)

Question 5

What is the classification of the compound shown below?

Accepted Answer

A)  L
B)  D
C)  A sugar this small is not classified as L or D.D) None of the above
E) All of the above

Question 6

The Fischer projections of two monosaccharides are shown below. Which term best describes the relationship between the two?

Accepted Answer

A)  Enantiomers
B)  Anomers
C)  Constitutional isomers
D)  DiastereomersE) A) and D)
F) B) and C)

Question 7

Hydrolysis of the disaccharide below yields the indicated products.

Accepted Answer

A) True 
 B)False

Question 8

What is the classification of the compound shown below?

Accepted Answer

A)  Aldohexose
B)  Aldopentose
C)  Ketotetrose
D)  KetopentoseE) C) and D)
F) All of the above

Question 9

Sucrose is a disaccharide that contains one ________ unit and one ________ unit.

Accepted Answer

The answer of Sucrose is a disaccharide that contains one...

Question 10

Carbohydrates are chiral biomolecules. The term chiral indicates that carbohydrates can be both synthesized and digested by the human body.

Accepted Answer

A) True 
 B)False

Question 11

Carbohydrates are synthesized in green plants and algae through ________,a process that uses the energy from the sun to convert carbon dioxide and water into ________ and oxygen.

Accepted Answer

photosynth...

Question 12

An α glycoside has the glycosidic linkage oriented down,below the plane of the ring that contains the acetal joining the monosaccharides.

Accepted Answer

A) True 
 B)False

Question 13

Which Haworth projection represents the banomer of the monosaccharide shown below?

Accepted Answer

A)   
B)   
C)   
D)   E) B) and D)
F) B) and C)

Question 14

What monosaccharide is found in cellulose,starch,and glycogen?

Accepted Answer

A)  Glucose
B)  Galactose
C)  Sucrose
D)  FructoseE) B) and C)
F) All of the above

Question 15

What type of polysaccharide is depicted in the "cartoon" shown below?

Accepted Answer

A)  Cellulose
B)  Amylose
C)  Amylopectin
D)  ChitinE) None of the above
F) All of the above

Question 16

Which naturally-occurring monosaccharide forms the Haworth structure shown?

Accepted Answer

A)   
B)   
C)   
D)   E) A) and D)
F) A) and C)

Question 17

The structures of galactose (left) and glucose (right) are shown below. How are the two monosaccharides related?

Accepted Answer

A)  Structural isomers
B)  Stereoisomers
C)  Enantiomers
D)  AnomersE) A) and B)
F) A) and C)

Question 18

Individuals with type AB blood are called universal recipients because their blood contains no antibodies to blood types A,B,or O. Individuals with type AB blood can receive blood of any type.

Accepted Answer

A) True 
 B)False

Question 19

Dihydroxyacetone,shown below,is the simplest ketose. Does the structure shown represent D-dihydroxyacetone or L-dihydroxyacetone?

Accepted Answer

A)  D-dihydroxyacetone
B)  L-dihydroxyacetone
C)  Neither D nor L; dihydroxyacetone is not chiral
D)  It is impossible to tell from the Fischer projection alone.E) A) and B)
F) B) and C)

Question 20

What is the structure of cellulose?

Accepted Answer

A)  Unbranched skeleton of glucose molecules joined by 1→4-α-glycoside linkages
B)  Branched skeleton of glucose molecules joined by 1→4-α-glycoside linkages
C)  Unbranched skeleton of glucose molecules joined by 1→4-β-glycoside linkages
D)  Branched skeleton of glucose molecules joined by 1→4-β-glycoside linkagesE) All of the above
F) A) and B)

Exam 20: Carbohydrates

What is the classification of the compound shown below?

Correct AnswerverifiedShow Answer

An α glycoside has the glycosidic linkage oriented down,below the plane of the ring that contains the acetal joining the monosaccharides.

Correct AnswerverifiedShow Answer

The structures of galactose (left) and glucose (right) are shown below. How are the two monosaccharides related?

Correct AnswerverifiedShow Answer

Which Haworth projection represents the banomer of the monosaccharide shown below?

Correct AnswerverifiedShow Answer

What is the classification of the compound shown below?

Correct AnswerverifiedShow Answer

Which structure is a three-carbon alditol?

Correct AnswerverifiedShow Answer

Sucrose is a disaccharide that contains one ________ unit and one ________ unit.

Correct AnswerverifiedShow Answer

What is responsible for the different blood types in humans?

Correct AnswerverifiedShow Answer

Carbohydrates are synthesized in green plants and algae through ________,a process that uses the energy from the sun to convert carbon dioxide and water into ________ and oxygen.

Correct Answerverifiedphotosynth...View AnswerShow Answer

Hydrolysis of the disaccharide below yields the indicated products.

Correct AnswerverifiedShow Answer

Carbohydrates are chiral biomolecules. The term chiral indicates that carbohydrates can be both synthesized and digested by the human body.

Correct AnswerverifiedShow Answer

Individuals with type AB blood are called universal recipients because their blood contains no antibodies to blood types A,B,or O. Individuals with type AB blood can receive blood of any type.

Correct AnswerverifiedShow Answer

What is the structure of cellulose?

Correct AnswerverifiedShow Answer

Dihydroxyacetone,shown below,is the simplest ketose. Does the structure shown represent D-dihydroxyacetone or L-dihydroxyacetone?

Correct AnswerverifiedShow Answer

What is the classification of the compound shown below?

Correct AnswerverifiedShow Answer

Which naturally-occurring monosaccharide forms the Haworth structure shown?

Correct AnswerverifiedShow Answer

What type of polysaccharide is depicted in the "cartoon" shown below?

Correct AnswerverifiedShow Answer

The Fischer projections of two monosaccharides are shown below. Which term best describes the relationship between the two?

Correct AnswerverifiedShow Answer

What monosaccharide is found in cellulose,starch,and glycogen?

Correct AnswerverifiedShow Answer

Monosaccharides with a carbonyl group at C2 are called ketoses.

Correct AnswerverifiedShow Answer

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Sucrose is a disaccharide that contains one unit and one unit.

Correct Answer
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Carbohydrates are synthesized in green plants and algae through ,a process that uses the energy from the sun to convert carbon dioxide and water into and oxygen.

Correct Answer
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photosynth...
View Answer

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