Question 1

The structure given below has what type of glycosidic linkage?

Accepted Answer

A) "$\alpha$(1$\rightarrow$6)" 
B) "$\beta$(1$\rightarrow$4)" 
C) "$\beta$(1$\rightarrow$6)" 
D) "$\alpha$(1$\rightarrow$4)" 
A) "$\alpha$(1$\rightarrow$6)" 
B) "$\beta$(1$\rightarrow$4)" 
C) "$\beta$(1$\rightarrow$6)" 
D) "$\alpha$(1$\rightarrow$4)"

Question 2

The sweetest of the common sugars is _____ .

Accepted Answer

A) fructose 
B) glucose 
C) galactose 
D) maltose 
A) fructose 
B) glucose 
C) galactose 
D) maltose

Question 3

Structurally,glycogen is most similar to _____ .

Accepted Answer

A) amylose 
B) amylopectin 
C) cellulose 
D) sucrose 
A) amylose 
B) amylopectin 
C) cellulose 
D) sucrose

Question 4

What is the name of the following sugar?

Accepted Answer

A) sucrose 
B) maltose 
C) lactose 
D) xylobiose 
A) sucrose 
B) maltose 
C) lactose 
D) xylobiose

Question 5

The carbohydrate below may be classified as a(n)________.

Accepted Answer

A) aldopentose 
B) aldohexose 
C) ketopentose 
D) ketohexose 
A) aldopentose 
B) aldohexose 
C) ketopentose 
D) ketohexose

Question 6

In order for molecules to be mirror images,there must be at least one carbon that does not have duplicate groups attached.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements about chiral carbons is correct?

Accepted Answer

A) A chiral carbon is one that has four different groups attached. 
B) A chiral carbon is one that determines the possibility of stereoisomerism. 
C) A chiral carbon can be an interior carbon. 
D) There is more than one correct response. 
A) A chiral carbon is one that has four different groups attached. 
B) A chiral carbon is one that determines the possibility of stereoisomerism. 
C) A chiral carbon can be an interior carbon. 
D) There is more than one correct response.

Question 8

There is no biological significance attributed to stereoisomers.

Accepted Answer

A) True 
 B)False

Question 9

Polysaccharides usually give a negative Benedict's test.

Accepted Answer

A) True 
 B)False

Question 10

The structure shown in what anomeric form?

Accepted Answer

A) "$\alpha$" 
B) "$\beta$" 
C) "cis" 
D) "trans" 
A) "$\alpha$" 
B) "$\beta$" 
C) "cis" 
D) "trans"

Question 11

The following structure is best represented as

Accepted Answer

A) pyranose with a beta hydroxy group. 
B) pyranose with an alpha hydroxy group. 
C) furanose with a beta hydroxy group. 
D) furanose with an alpha hydroxy group. 
A) pyranose with a beta hydroxy group. 
B) pyranose with an alpha hydroxy group. 
C) furanose with a beta hydroxy group. 
D) furanose with an alpha hydroxy group.

Question 12

Of the 16 aldohexoses,how many exist in the D form?

Accepted Answer

A) 8 
B) 16 
C) 4 
D) 6 
A) 8 
B) 16 
C) 4 
D) 6

Question 13

Carbohydrates which contain two sugar units chemically linked together are called a(n)_____ .

Accepted Answer

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

Question 14

What polysaccaride would NOT exhibit the following type of linkage for all or a major portion of its structure?

Accepted Answer

A) amylose 
B) amylopectin 
C) glycogen 
D) cellulose 
A) amylose 
B) amylopectin 
C) glycogen 
D) cellulose

Question 15

A carbohydrate present in the blood is _____ .

Accepted Answer

A) sucrose 
B) glucose 
C) fructose 
D) maltose 
A) sucrose 
B) glucose 
C) fructose 
D) maltose

Question 16

sec-butyl alcohol has two stereoisomers.

Accepted Answer

A) True 
 B)False

Question 17

Cellulose is a polysaccharide composed of glucose units.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following compounds is the enantiomer of the structure shown below?

Accepted Answer

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

Question 19

Which is a test for the presence of starch?

Accepted Answer

A) Benedict's test 
B) exposure to iodine 
C) sweet taste 
D) acid-base titration 
A) Benedict's test 
B) exposure to iodine 
C) sweet taste 
D) acid-base titration

Question 20

The following two monosaccharides form a disaccharide by forming a bond between the two carbons indicated with an asterisk (*).What type of linkage results?

Accepted Answer

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

Exam 17: Carbohydrates

The structure given below has what type of glycosidic linkage?

The sweetest of the common sugars is _____ .

Structurally,glycogen is most similar to _____ .

What is the name of the following sugar?

The carbohydrate below may be classified as a(n)________.

In order for molecules to be mirror images,there must be at least one carbon that does not have duplicate groups attached.

Which of the following statements about chiral carbons is correct?

There is no biological significance attributed to stereoisomers.

Polysaccharides usually give a negative Benedict's test.

The structure shown in what anomeric form?

The following structure is best represented as

Of the 16 aldohexoses,how many exist in the D form?

Carbohydrates which contain two sugar units chemically linked together are called a(n)_____ .

What polysaccaride would NOT exhibit the following type of linkage for all or a major portion of its structure?

A carbohydrate present in the blood is _____ .

sec-butyl alcohol has two stereoisomers.

Cellulose is a polysaccharide composed of glucose units.

Which of the following compounds is the enantiomer of the structure shown below?

Which is a test for the presence of starch?

The following two monosaccharides form a disaccharide by forming a bond between the two carbons indicated with an asterisk (*).What type of linkage results?

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