Question 1

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 D

Question 2

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

Accepted Answer

A) True 
 B)False  True

Question 3

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 D

Question 4

Sugars which contain an aldehyde group that can be oxidized are called _____ .

Accepted Answer

A) reducing sugars 
B) oxidizing sugars 
C) glycosides 
D) simple sugars 
A) reducing sugars 
B) oxidizing sugars 
C) glycosides 
D) simple sugars

Question 5

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 6

Which of the following monosaccharides is a ketohexose?

Accepted Answer

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

Question 7

Which polysaccharide usually makes up 80-90% of plant starch?

Accepted Answer

A) chitin 
B) amylopectin 
C) heparin 
D) hyaluronic acid 
A) chitin 
B) amylopectin 
C) heparin 
D) hyaluronic acid

Question 8

The simplest carbohydrates are called _____ .

Accepted Answer

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

Question 9

The body stores carbohydrates as _____ .

Accepted Answer

A) cellulose 
B) glycogen 
C) sucrose 
D) starch 
A) cellulose 
B) glycogen 
C) sucrose 
D) starch

Question 10

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

Question 11

What is the major difference between glucose and sorbitol?

Accepted Answer

A) Glucose has 6 carbons; sorbitol has 5 carbons. 
B) Glucose has 6 carbons; sorbitol has 7 carbons. 
C) Glucose contains hydroxy groups; sorbitol does not contain hydroxy groups. 
D) Glucose contains an aldehyde carbon; sorbitol has an alcohol carbon in that location. 
A) Glucose has 6 carbons; sorbitol has 5 carbons. 
B) Glucose has 6 carbons; sorbitol has 7 carbons. 
C) Glucose contains hydroxy groups; sorbitol does not contain hydroxy groups. 
D) Glucose contains an aldehyde carbon; sorbitol has an alcohol carbon in that location.

Question 12

When the compound below is treated with Benedict's reagent,that is the product of the reaction?

Accepted Answer

A)    
B)    
C)    
D) no reaction 
A)    
B)    
C)    
D) no reaction

Question 13

Potatoes,being high in carbohydrates and low in other nutrients,should only be consumed in very small quantities.

Accepted Answer

A) True 
 B)False

Question 14

A short description of a stereoisomer would be?

Accepted Answer

A) Stereoisomers are all of the isomers for compounds that can have in excess of two isomers. 
B) Stereoisomers are those compounds that can have two isomers that are straight chain and the right side is different from the left side. 
C) Stereoisomers are two isomers that resemble each other in the sense that one of the isomers is the mirror image of the other. 
D) There is more than one correct response. 
A) Stereoisomers are all of the isomers for compounds that can have in excess of two isomers. 
B) Stereoisomers are those compounds that can have two isomers that are straight chain and the right side is different from the left side. 
C) Stereoisomers are two isomers that resemble each other in the sense that one of the isomers is the mirror image of the other. 
D) There is more than one correct response.

Question 15

CH4 could exist as a pair of enantiomers.

Accepted Answer

A) True 
 B)False

Question 16

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 17

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 18

The cyclic form of ____ contains a furanose ring.

Accepted Answer

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

Question 19

Where polysaccharides are most often associated with energy storage and plant structure,oligosaccharides are commonly portions of glycoproteins.

Accepted Answer

A) True 
 B)False

Question 20

The disaccharide formed during the digestion of starch is _____ .

Accepted Answer

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

Exam 17: Carbohydrates

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

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

A component of lactose is the sugar _____ .

Sugars which contain an aldehyde group that can be oxidized are called _____ .

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

Which of the following monosaccharides is a ketohexose?

Which polysaccharide usually makes up 80-90% of plant starch?

The simplest carbohydrates are called _____ .

The body stores carbohydrates as _____ .

Which of the following correctly describes the structure shown?

What is the major difference between glucose and sorbitol?

When the compound below is treated with Benedict's reagent,that is the product of the reaction?

Potatoes,being high in carbohydrates and low in other nutrients,should only be consumed in very small quantities.

A short description of a stereoisomer would be?

CH4 could exist as a pair of enantiomers.

What is the name of the following sugar?

What is the name of the following sugar?

The cyclic form of ____ contains a furanose ring.

Where polysaccharides are most often associated with energy storage and plant structure,oligosaccharides are commonly portions of glycoproteins.

The disaccharide formed during the digestion of starch is _____ .

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

CH₄ could exist as a pair of enantiomers.