Question 1

Which of the following correctly describes the structure shown?

Accepted Answer

A) aldopentose with 5 chiral carbon atoms 
B) aldopentose with 3 chiral carbon atoms 
C) ketopentose with 5 chiral carbon atoms 
D) ketopentose with 3 chiral carbon atoms 
A) aldopentose with 5 chiral carbon atoms 
B) aldopentose with 3 chiral carbon atoms 
C) ketopentose with 5 chiral carbon atoms 
D) ketopentose with 3 chiral carbon atoms B

Question 2

The structure given below has what type of glycosidic linkage?

Accepted Answer

A) α (1 → 6) 
B) β (1 → 4) 
C) β (1 → 6) 
D) α (1 → 4) 
A) α (1 → 6) 
B) β (1 → 4) 
C) β (1 → 6) 
D) α (1 → 4) B

Question 3

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 A

Question 4

The hydrolysis of cellulose and starch would give the same monosaccharide.

Accepted Answer

A) True 
 B)False

Question 5

A component of lactose is the sugar _____ .

Accepted Answer

A) ribose 
B) deoxyribose 
C) fructose 
D) galactose 
A) ribose 
B) deoxyribose 
C) fructose 
D) galactose

Question 6

How many chiral carbons are contained in ribose, which is shown below?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

Carbohydrates serve a number of important functions in our bodies.  Which of the following is NOT one of those functions?

Accepted Answer

A) They provide energy through their oxidation. 
B) They serve as a carbon supply for the synthesis of cell components. 
C) They serve as a way to store chemical energy. 
D) They are used as structural elements in cell walls. 
A) They provide energy through their oxidation. 
B) They serve as a carbon supply for the synthesis of cell components. 
C) They serve as a way to store chemical energy. 
D) They are used as structural elements in cell walls.

Question 8

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 9

Which of the following can exist in enantiomers?

Accepted Answer

A)    
B)    
C)    
D) all of these choices 
A)    
B)    
C)    
D) all of these choices

Question 10

The following structure is shown in what form?

Accepted Answer

A) a D form 
B) an L form 
C) neither D nor L 
D) both D and L 
A) a D form 
B) an L form 
C) neither D nor L 
D) both D and L

Question 11

Monosaccharides and disaccharides both have a sweet taste. What taste does a polysaccharide have?

Accepted Answer

A) sweet 
B) sour 
C) bitter 
D) tasteless 
A) sweet 
B) sour 
C) bitter 
D) tasteless

Question 12

Which form of monosaccharides is preferred by human cells?

Accepted Answer

A) D 
B) L 
C) both 
D) neither 
A) D 
B) L 
C) both 
D) neither

Question 13

​ _____ _____ depict two-dimensional shapes for chiral molecules.

Accepted Answer

The answer of ​ _____ _____ depict two-dimensional shapes for...

Question 14

Polysaccharides tend to be very sweet.

Accepted Answer

A) True 
 B)False

Question 15

The linkage between the two monosaccharide units of a disaccharide is a

Accepted Answer

A) hemiacetal linkage. 
B) alpha linkage. 
C) ester linkage. 
D) glycosidic linkage. 
A) hemiacetal linkage. 
B) alpha linkage. 
C) ester linkage. 
D) glycosidic linkage.

Question 16

Cellulose does not contribute to the caloric intake in humans.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following groups are expected to be found in carbohydrates?

Accepted Answer

A) alcohol 
B) thiol 
C) methyl 
D) amide 
A) alcohol 
B) thiol 
C) methyl 
D) amide

Question 18

Carbohydrates have their name because the ratio of carbon to water is always 1:1.

Accepted Answer

A) True 
 B)False

Question 19

The following Haworth projection was drawn from the open chain form of a ketose.

Accepted Answer

A) True 
 B)False

Question 20

The two forms of the glucose ring resulting from the substituents on the C-1 carbon are anomers.

Accepted Answer

A) True 
 B)False

Exam 17: Carbohydrates

Which of the following correctly describes the structure shown?

The structure given below has what type of glycosidic linkage?

What is the name of the following sugar?

The hydrolysis of cellulose and starch would give the same monosaccharide.

A component of lactose is the sugar _____ .

How many chiral carbons are contained in ribose, which is shown below?

Carbohydrates serve a number of important functions in our bodies. Which of the following is NOT one of those functions?

Structurally, glycogen is most similar to _____ .

Which of the following can exist in enantiomers?

The following structure is shown in what form?

Monosaccharides and disaccharides both have a sweet taste. What taste does a polysaccharide have?

Which form of monosaccharides is preferred by human cells?

​ _____ _____ depict two-dimensional shapes for chiral molecules.

Polysaccharides tend to be very sweet.

The linkage between the two monosaccharide units of a disaccharide is a

Cellulose does not contribute to the caloric intake in humans.

Which of the following groups are expected to be found in carbohydrates?

Carbohydrates have their name because the ratio of carbon to water is always 1:1.

The following Haworth projection was drawn from the open chain form of a ketose.

The two forms of the glucose ring resulting from the substituents on the C-1 carbon are anomers.

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

_ _ depict two-dimensional shapes for chiral molecules.