Question 1

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) A) and B)
F) All of the above

Question 2

What is the most common type of starch molecules?

Accepted Answer

A)  cellulose
B)  amylose
C)  amylopectin
D)  glycogenE) All of the above
F) A) and B)

Question 3

Which is not a reducing sugar?

Accepted Answer

A)  glucose
B)  fructose
C)  sucrose
D)  galactose
E)  an aldopentoseF) A) and E)
G) None of the above

Question 4

Test strips that contain the enzyme lactase are used to measure glucose concentration in urine.

Accepted Answer

A) True 
 B)False

Question 5

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) All of the above
F) B) and D)

Question 6

The simplest aldose is commonly called glyceraldehyde, although its IUPAC name is 2, 3-dihydroxypropanal. What is the structure of this compound?

Accepted Answer

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

Question 7

Which is not a glycosaminoglycan?

Accepted Answer

A)  hyaluronate
B)  chitin
C)  heparin
D)  chondroitinE) None of the above
F) A) and C)

Question 8

What product forms when the compound below is treated with H2 in the presence of a Pd catalyst? 2 in the presence of a Pd catalyst?   A)    B)    C)    D)   " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   2 in the presence of a Pd catalyst?   
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
B)   2 in the presence of a Pd catalyst?   
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
C)   2 in the presence of a Pd catalyst?   
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
D)   2 in the presence of a Pd catalyst?   
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >E) B) and C)
F) A) and B)

Question 9

Melibiose is a carbohydrate found in some plant juices. Which statement concerning melibiose is incorrect?

Accepted Answer

A)  It is a disaccharide.
B)  It is composed of two different monosaccharides.
C)  It contains both an acetal and a hemiacetal.
D)  It contains a 1 →\rightarrow→ 5- α\alphaα -glycosidic linkage. E) All of the above
F) A) and B)

Question 10

In the disaccharide structure shown, the anomeric carbons are properly labeled.

Accepted Answer

A) True 
 B)False

Question 11

How many acetals are present in the disaccharide shown below?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) A) and D)

Question 12

The monosaccharide shown below is an $\alpha$anomer.

Accepted Answer

A) True 
 B)False

Question 13

Which carbohydrate derivative forms a gel-like matrix in joints and the vitreous humor of the eye?

Accepted Answer

A)  heparin
B)  chondroitin
C)  hyaluronate
D)  chitinE) All of the above
F) A) and C)

Question 14

Individuals who are lactose intolerant no longer produce the enzyme _____.

Accepted Answer

The answer of Individuals who are lactose intolerant no longer...

Question 15

The formation of what color in the Benedict's test indicates a reducing sugar is present in solution?

Accepted Answer

A)  blue
B)  brick red
C)  bright yellow
D)  silverE) All of the above
F) A) and D)

Question 16

$\alpha$-D-galactose and $\beta$-D-galactose are enantiomers.

Accepted Answer

A) True 
 B)False

Question 17

All carbohydrates, except for dihydroxyacetone, contain one or more chirality centers.

Accepted Answer

A) True 
 B)False

Question 18

Lactose is present in milk. What type of sugar is lactose?

Accepted Answer

A)  a disaccharide
B)  a monosaccharide
C)  a polysaccharide
D)  a starchE) A) and C)
F) C) and D)

Question 19

What product forms when the compound below is treated with Benedict's reagent?

Accepted Answer

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

Question 20

Monosaccharides are polar compounds with low melting points.

Accepted Answer

A) True 
 B)False

Exam 20: Carbohydrates

Individuals who are lactose intolerant no longer produce the enzyme _____.

Correct Answer
verified

What product forms when the compound below is treated with H₂ in the presence of a Pd catalyst?

Correct Answer
verified

Monosaccharides are polar compounds with low melting points.

Correct Answer
verified

What is responsible for the different blood types in humans?

Correct Answer
verified

Lactose is present in milk. What type of sugar is lactose?

Correct Answer
verified

How many acetals are present in the disaccharide shown below?

Correct Answer
verified

In the disaccharide structure shown, the anomeric carbons are properly labeled.

Correct Answer
verified

Correct Answer
verified

The formation of what color in the Benedict's test indicates a reducing sugar is present in solution?

Correct Answer
verified

The monosaccharide shown below is an $\alpha$ anomer. $The monosaccharide shown below is an \alpha anomer.$

Correct Answer
verified

What product forms when the compound below is treated with Benedict's reagent?

Correct Answer
verified

The simplest aldose is commonly called glyceraldehyde, although its IUPAC name is 2, 3-dihydroxypropanal. What is the structure of this compound?

Correct Answer
verified

All carbohydrates, except for dihydroxyacetone, contain one or more chirality centers.

Correct Answer
verified

Test strips that contain the enzyme lactase are used to measure glucose concentration in urine.

Correct Answer
verified

$\alpha$ -D-galactose and $\beta$ -D-galactose are enantiomers.

Correct Answer
verified

What is the most common type of starch molecules?

Correct Answer
verified

Which is not a reducing sugar?

Correct Answer
verified

Which is not a glycosaminoglycan?

Correct Answer
verified

Which carbohydrate derivative forms a gel-like matrix in joints and the vitreous humor of the eye?

Correct Answer
verified

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

Correct Answer
verified

Exam 20: Carbohydrates

Individuals who are lactose intolerant no longer produce the enzyme _____.

Correct AnswerverifiedShow Answer

What product forms when the compound below is treated with H2 in the presence of a Pd catalyst?

Correct AnswerverifiedShow Answer

Monosaccharides are polar compounds with low melting points.

Correct AnswerverifiedShow Answer

What is responsible for the different blood types in humans?

Correct AnswerverifiedShow Answer

Lactose is present in milk. What type of sugar is lactose?

Correct AnswerverifiedShow Answer

How many acetals are present in the disaccharide shown below?

Correct AnswerverifiedShow Answer

In the disaccharide structure shown, the anomeric carbons are properly labeled.

Correct AnswerverifiedShow Answer

Melibiose is a carbohydrate found in some plant juices. Which statement concerning melibiose is incorrect?

Correct AnswerverifiedShow Answer

The formation of what color in the Benedict's test indicates a reducing sugar is present in solution?

Correct AnswerverifiedShow Answer

The monosaccharide shown below is an α\alphaα anomer.

Correct AnswerverifiedShow Answer

What product forms when the compound below is treated with Benedict's reagent?

Correct AnswerverifiedShow Answer

The simplest aldose is commonly called glyceraldehyde, although its IUPAC name is 2, 3-dihydroxypropanal. What is the structure of this compound?

Correct AnswerverifiedShow Answer

All carbohydrates, except for dihydroxyacetone, contain one or more chirality centers.

Correct AnswerverifiedShow Answer

Test strips that contain the enzyme lactase are used to measure glucose concentration in urine.

Correct AnswerverifiedShow Answer

α\alphaα -D-galactose and β\betaβ -D-galactose are enantiomers.

Correct AnswerverifiedShow Answer

What is the most common type of starch molecules?

Correct AnswerverifiedShow Answer

Which is not a reducing sugar?

Correct AnswerverifiedShow Answer

Which is not a glycosaminoglycan?

Correct AnswerverifiedShow Answer

Which carbohydrate derivative forms a gel-like matrix in joints and the vitreous humor of the eye?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

What product forms when the compound below is treated with H₂ in the presence of a Pd catalyst?

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The monosaccharide shown below is an $\alpha$ anomer. $The monosaccharide shown below is an \alpha anomer.$

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

$\alpha$ -D-galactose and $\beta$ -D-galactose are enantiomers.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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