Question 1

A polysaccharide containing $\beta$(1$\rarr$4)linkages is _____ .

Accepted Answer

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

Question 2

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 3

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 4

All aldopentoses have 5 carbon atoms.

Accepted Answer

A) True 
 B)False

Question 5

Starch is made up of 50 to 100 glucose units.

Accepted Answer

A) True 
 B)False

Question 6

There is no biological significance attributed to stereoisomers.

Accepted Answer

A) True 
 B)False

Question 7

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 8

The cyclic form of glucose results from the formation of a(n)_____ .

Accepted Answer

A)  ester 
B)  acetal 
C)  hemiacetal 
D)  amide 
A)  ester 
B)  acetal 
C)  hemiacetal 
D)  amide

Question 9

How many stereoisomers of an aldopentose exist?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Question 10

CH4 could exist as a pair of enantiomers.

Accepted Answer

A) True 
 B)False

Question 11

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 12

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 13

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 14

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

Accepted Answer

A) True 
 B)False

Question 15

The cyclic form of glucose has how many possible stereoisomers compared to the noncyclic form?

Accepted Answer

A)  double 
B)  triple 
C)  reduced by half 
D)  remains the same 
A)  double 
B)  triple 
C)  reduced by half 
D)  remains the same

Question 16

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 17

The structure shown is in what anomeric form?

Accepted Answer

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

Question 18

The simplest carbohydrates are called _____ .

Accepted Answer

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

Question 19

How many chiral carbons are contained in the following structure?

Accepted Answer

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

Question 20

This compound is classified as a pyranose.

Accepted Answer

A) True 
 B)False

Exam 17: Carbohydrates

A polysaccharide containing β\betaβ (1 →\rarr→ 4)linkages is _____ .

What is the name of the following sugar?

The structure shown in what anomeric form?

All aldopentoses have 5 carbon atoms.

Starch is made up of 50 to 100 glucose units.

There is no biological significance attributed to stereoisomers.

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

The cyclic form of glucose results from the formation of a(n)_____ .

How many stereoisomers of an aldopentose exist?

CH4 could exist as a pair of enantiomers.

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

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

Structurally,glycogen is most similar to _____ .

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

The cyclic form of glucose has how many possible stereoisomers compared to the noncyclic form?

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

The structure shown is in what anomeric form?

The simplest carbohydrates are called _____ .

How many chiral carbons are contained in the following structure?

This compound is classified as a pyranose.

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

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Carboxylic Acids and Esters

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Filters

A polysaccharide containing $\beta$ (1 $\rarr$ 4)linkages is _____ .

CH₄ could exist as a pair of enantiomers.