Question 1

Starch and cellulose are both polysaccharides of glucose. Cellulose differs from starch in that

Accepted Answer

A)  cellulose contains glucose molecules connected by $\alpha$- (1$\rightarrow$4) glycosidic bonds. 
B)  cellulose contains glucose molecules connected by $\beta$- (1$\rightarrow$4) glycosidic bonds. 
C)  cellulose is more highly branched than starch. 
D)  cellulose is the energy storage molecule of plants. 
A)  cellulose contains glucose molecules connected by $\alpha$- (1$\rightarrow$4) glycosidic bonds. 
B)  cellulose contains glucose molecules connected by $\beta$- (1$\rightarrow$4) glycosidic bonds. 
C)  cellulose is more highly branched than starch. 
D)  cellulose is the energy storage molecule of plants. B

Question 2

Sucrose is a disaccharide of D-glucose connected to D-fructose by an $\alpha$,$\beta$-(1$\rightarrow$2)- glycosidic bond. Sucrose is not a reducing sugar because

Accepted Answer

A)  it is a disaccharide. 
B)  it reacts with Benedict's solution. 
C)  it contains both glucose and fructose. 
D)  it cannot react to produce an aldehyde group. 
A)  it is a disaccharide. 
B)  it reacts with Benedict's solution. 
C)  it contains both glucose and fructose. 
D)  it cannot react to produce an aldehyde group. D

Question 3

What is the classification of this monosaccharide?

Accepted Answer

A)  aldotriose 
B)  ketotriose 
C)  aldotetrose 
D)  ketotetrose 
A)  aldotriose 
B)  ketotriose 
C)  aldotetrose 
D)  ketotetrose C

Question 4

___ is the structural material for plants while ___ is the energy storage material of plants.

Accepted Answer

A)  Cellulose/starch 
B)  Starch/cellulose 
C)  Glycogen/starch 
D)  Starch/glycogen 
A)  Cellulose/starch 
B)  Starch/cellulose 
C)  Glycogen/starch 
D)  Starch/glycogen

Question 5

Name and describe the two types of polysaccharides in starch.

Accepted Answer

Starch is composed o

Question 6

In deoxy sugars a hydrogen atom replaces one or more of the -OH groups in a monosaccharide.

Accepted Answer

A) True 
 B)False

Question 7

What is the product of the following reaction?

Accepted Answer

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

Question 8

Sketch the structure of the product formed when carbon 1 of galactose is oxidized by Benedict's solution.

Accepted Answer

The answer of Sketch the structure of the product formed...

Question 9

Shown below is Lactose. Explain why lactose is a reducing sugar.

Accepted Answer

The cyclic glucose residue with the hemi

Question 10

Shown below is a cyclic form of D-galactose. This structure is classified as ___.

Accepted Answer

A)  $\alpha$-D-galactopyranose 
B)  $\beta$ -D-galactofuranose 
C)  $\alpha$-D-galactofuranose 
D)  $\beta$ -D-galactopyranose 
A)  $\alpha$-D-galactopyranose 
B)  $\beta$ -D-galactofuranose 
C)  $\alpha$-D-galactofuranose 
D)  $\beta$ -D-galactopyranose

Question 11

Oligosaccharides contain 2-10 monosaccharide residues.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is a uronic acid?

Accepted Answer

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

Question 13

carbohydrate containing six carbons is broadly referred to as a(an) ___.

Accepted Answer

The answer of carbohydrate containing six carbons is broadly referred...

Question 14

Shown below is a cyclic form of D-glucose. This structure is classified as ___.

Accepted Answer

A)  $\alpha$-D-glucopyranose 
B)  $\beta$- D-glucofuranose 
C)  $\alpha$-D-galactopyranose 
D)  $\beta$ - L-glucopyranose 
A)  $\alpha$-D-glucopyranose 
B)  $\beta$- D-glucofuranose 
C)  $\alpha$-D-galactopyranose 
D)  $\beta$ - L-glucopyranose

Question 15

How many chiral carbons are present in the structure below?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
A)  2 
B)  3 
C)  4 
D)  5

Question 16

A molecule humans produce by combining glucose molecules for energy storage is ___.

Accepted Answer

The answer of A molecule humans produce by combining glucose...

Question 17

Even though maltose is an animal product and cellobiose is produced by plants, both carbohydrates produce ___ molecules when hydrolyzed.

Accepted Answer

The answer of Even though maltose is an animal product...

Question 18

Explain why starch is a source of food while cellulose is a source of fiber in the human diet.

Accepted Answer

Starch is a food source becaus

Question 19

What is mutarotation?

Accepted Answer

A)  The conversion of a D-monosaccharide into an L-monosaccharide. 
B)  The conversion of $\alpha$-D-galacose into $\beta$-D-galactose. 
C)  The conversion of a pyranose into a furanose. 
D)  The conversion of an aldose into a ketose. 
A)  The conversion of a D-monosaccharide into an L-monosaccharide. 
B)  The conversion of $\alpha$-D-galacose into $\beta$-D-galactose. 
C)  The conversion of a pyranose into a furanose. 
D)  The conversion of an aldose into a ketose.

Question 20

In sugar chemistry, diastereomers that differ at only one chiral carbon atom are called ___.

Accepted Answer

The answer of In sugar chemistry, diastereomers that differ at...

Starch and cellulose are both polysaccharides of glucose. Cellulose differs from starch in that

Sucrose is a disaccharide of D-glucose connected to D-fructose by an $\alpha$ , $\beta$ -(1 $\rightarrow$ 2)- glycosidic bond. Sucrose is not a reducing sugar because

What is the classification of this monosaccharide?

_ is the structural material for plants while _ is the energy storage material of plants.

Name and describe the two types of polysaccharides in starch.

In deoxy sugars a hydrogen atom replaces one or more of the -OH groups in a monosaccharide.

What is the product of the following reaction?

Sketch the structure of the product formed when carbon 1 of galactose is oxidized by Benedict's solution.

Shown below is Lactose. Explain why lactose is a reducing sugar.

Shown below is a cyclic form of D-galactose. This structure is classified as ___.

Oligosaccharides contain 2-10 monosaccharide residues.

Which of the following is a uronic acid?

carbohydrate containing six carbons is broadly referred to as a(an) ___.

Shown below is a cyclic form of D-glucose. This structure is classified as ___.

How many chiral carbons are present in the structure below?

A molecule humans produce by combining glucose molecules for energy storage is ___.

Even though maltose is an animal product and cellobiose is produced by plants, both carbohydrates produce ___ molecules when hydrolyzed.

Explain why starch is a source of food while cellulose is a source of fiber in the human diet.

What is mutarotation?

In sugar chemistry, diastereomers that differ at only one chiral carbon atom are called ___.

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Exam 10: Carbohydrates

Starch and cellulose are both polysaccharides of glucose. Cellulose differs from starch in that

Sucrose is a disaccharide of D-glucose connected to D-fructose by an α\alphaα , β\betaβ -(1 →\rightarrow→ 2)- glycosidic bond. Sucrose is not a reducing sugar because

What is the classification of this monosaccharide?

___ is the structural material for plants while ___ is the energy storage material of plants.

Name and describe the two types of polysaccharides in starch.

In deoxy sugars a hydrogen atom replaces one or more of the -OH groups in a monosaccharide.

What is the product of the following reaction?

Sketch the structure of the product formed when carbon 1 of galactose is oxidized by Benedict's solution.

Shown below is Lactose. Explain why lactose is a reducing sugar.

Shown below is a cyclic form of D-galactose. This structure is classified as ___.

Oligosaccharides contain 2-10 monosaccharide residues.

Which of the following is a uronic acid?

carbohydrate containing six carbons is broadly referred to as a(an) ___.

Shown below is a cyclic form of D-glucose. This structure is classified as ___.

How many chiral carbons are present in the structure below?

A molecule humans produce by combining glucose molecules for energy storage is ___.

Even though maltose is an animal product and cellobiose is produced by plants, both carbohydrates produce ___ molecules when hydrolyzed.

Explain why starch is a source of food while cellulose is a source of fiber in the human diet.

What is mutarotation?

In sugar chemistry, diastereomers that differ at only one chiral carbon atom are called ___.

Science and Measurements

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Reactions

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Lipids and Membranes

Peptides, Proteins, and Enzymes

Nucleic Acids

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Sucrose is a disaccharide of D-glucose connected to D-fructose by an $\alpha$ , $\beta$ -(1 $\rightarrow$ 2)- glycosidic bond. Sucrose is not a reducing sugar because

_ is the structural material for plants while _ is the energy storage material of plants.