Question 1

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

Accepted Answer

α (alpha)

Question 2

Photosynthesis uses ________ as an energy source.

Accepted Answer

A) glucose 
B) carbon dioxide 
C) chlorophyll 
D) oxygen 
E) sunlight 
A) glucose 
B) carbon dioxide 
C) chlorophyll 
D) oxygen 
E) sunlight E

Question 3

Refer to the disaccharides below to answer the question(s) that follow.  
-In the figure above, the monosaccharide unit on the bottom is a(n)

Accepted Answer

A) aldopentose. 
B) ketopentose. 
C) aldohexose. 
D) aldoheptose. 
E) ketohexose. 
A) aldopentose. 
B) ketopentose. 
C) aldohexose. 
D) aldoheptose. 
E) ketohexose. C

Question 4

Aspartame and Saccharin are two examples of

Accepted Answer

A) disaccharides. 
B) polysaccharides. 
C) chlorosaccharides. 
D) alcohol sweeteners. 
E) noncarbohydrate sweeteners. 
A) disaccharides. 
B) polysaccharides. 
C) chlorosaccharides. 
D) alcohol sweeteners. 
E) noncarbohydrate sweeteners.

Question 5

Glycogen is a polysaccharide which has

Accepted Answer

A) only β-1,4-bonds between glucose units. 
B) only α-1,4-links bonds glucose units. 
C) both α-1,4-and β-1,4-bonds between glucose units. 
D) both α-1,4-and α-1,6-bonds between glucose units. 
E) carbon-carbon bonds joining glucose units. 
A) only β-1,4-bonds between glucose units. 
B) only α-1,4-links bonds glucose units. 
C) both α-1,4-and β-1,4-bonds between glucose units. 
D) both α-1,4-and α-1,6-bonds between glucose units. 
E) carbon-carbon bonds joining glucose units.

Question 6

A monosaccharide that contains 4 carbon atoms, one of which is in an aldehyde group, is classified as a(n)

Accepted Answer

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

Question 7

Mannose has the structure shown below. Which anomer is shown?

Accepted Answer

A) the α anomer 
B) the β anomer 
C) the D anomer 
D) the L anomer 
E) none of the above 
A) the α anomer 
B) the β anomer 
C) the D anomer 
D) the L anomer 
E) none of the above

Question 8

Maltose is a reducing sugar.

Accepted Answer

A) True 
 B)False

Question 9

Sucrose is a disaccharide.

Accepted Answer

A) True 
 B)False

Question 10

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 11

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

Accepted Answer

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

Question 12

Galactose is a disaccharide.

Accepted Answer

A) True 
 B)False

Question 13

Cellulose is a polysaccharide with only β-1,4-bonds between glucose units.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following contains a β-1,4-glycosidic bond?

Accepted Answer

A) galactose 
B) lactose 
C) maltose 
D) sucrose 
E) amylose 
A) galactose 
B) lactose 
C) maltose 
D) sucrose 
E) amylose

Question 15

Which of the following is an example of an aldopentose?

Accepted Answer

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

Question 16

Amylopectin is a polysaccharide which has

Accepted Answer

A) only β-1,4-bonds between glucose units. 
B) only α-1,4-links bonds glucose units. 
C) both α-1,4-and β-1,4-bonds between glucose units. 
D) both α-1,4-and α-1,6-bonds between glucose units. 
E) carbon-carbon bonds joining glucose units. 
A) only β-1,4-bonds between glucose units. 
B) only α-1,4-links bonds glucose units. 
C) both α-1,4-and β-1,4-bonds between glucose units. 
D) both α-1,4-and α-1,6-bonds between glucose units. 
E) carbon-carbon bonds joining glucose units.

Question 17

During photosynthesis, carbon dioxide and water are converted to glucose and oxygen by

Accepted Answer

A) large animals. 
B) insects. 
C) mushrooms. 
D) green plants. 
E) earthworms. 
A) large animals. 
B) insects. 
C) mushrooms. 
D) green plants. 
E) earthworms.

Question 18

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

Accepted Answer

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

Question 19

Galactose is a product of enzymatic hydrolysis of

Accepted Answer

A) lactose. 
B) glucose. 
C) maltose. 
D) erythrose. 
E) sucrose. 
A) lactose. 
B) glucose. 
C) maltose. 
D) erythrose. 
E) sucrose.

Question 20

One difference between D-glucose and L-glucose is

Accepted Answer

A) the open-chain form of L-glucose does not exist. 
B) it is not possible to make L-glucose. 
C) L-glucose has a 5-membered ring, and D-glucose has a 6-membered ring. 
D) only D-glucose is found in disaccharides and polysaccharides. 
E) L-glucose cannot form a closed structure. 
A) the open-chain form of L-glucose does not exist. 
B) it is not possible to make L-glucose. 
C) L-glucose has a 5-membered ring, and D-glucose has a 6-membered ring. 
D) only D-glucose is found in disaccharides and polysaccharides. 
E) L-glucose cannot form a closed structure.

Exam 15: Carbohydrates

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

Photosynthesis uses ________ as an energy source.

Refer to the disaccharides below to answer the question(s) that follow. -In the figure above, the monosaccharide unit on the bottom is a(n)

Aspartame and Saccharin are two examples of

Glycogen is a polysaccharide which has

A monosaccharide that contains 4 carbon atoms, one of which is in an aldehyde group, is classified as a(n)

Mannose has the structure shown below. Which anomer is shown?

Maltose is a reducing sugar.

Sucrose is a disaccharide.

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

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

Galactose is a disaccharide.

Cellulose is a polysaccharide with only β-1,4-bonds between glucose units.

Which of the following contains a β-1,4-glycosidic bond?

Which of the following is an example of an aldopentose?

Amylopectin is a polysaccharide which has

During photosynthesis, carbon dioxide and water are converted to glucose and oxygen by

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

Galactose is a product of enzymatic hydrolysis of

One difference between D-glucose and L-glucose is

Chemistry in Our Lives

Chemistry and Measurements

Energy and Matter

Atoms

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters