Question 1

Humans do not have the enzyme necessary to hydrolyze cellulose.

Accepted Answer

A) True 
 B)False  True

Question 2

Hyperglycemia is a condition in which ________.

Accepted Answer

A) the glucose level in the blood is about 100 mg/dL 
B) the amount of glucose in the urine is lower than normal 
C) the glucose level in the blood is higher than normal 
D) the glucose level in the pancreas is lower than normal 
E) the glucose level in the liver is lower than normal 
A) the glucose level in the blood is about 100 mg/dL 
B) the amount of glucose in the urine is lower than normal 
C) the glucose level in the blood is higher than normal 
D) the glucose level in the pancreas is lower than normal 
E) the glucose level in the liver is lower than normal C

Question 3

In a disaccharide,two monosaccharides are joined by what kind of bond?

Accepted Answer

A) double 
B) anomeric 
C) alcohol 
D) glycosidic 
E) rotational 
A) double 
B) anomeric 
C) alcohol 
D) glycosidic 
E) rotational D

Question 4

Amylose is a form of starch 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) hemiacetal links joining 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) hemiacetal links joining glucose units 
E) carbon-carbon bonds joining glucose units

Question 5

Under acid hydrolysis conditions,starch is converted to ________.

Accepted Answer

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

Question 6

A reducing sugar gives a precipitate of silver metal with Benedict's reagent.

Accepted Answer

A) True 
 B)False

Question 7

Stereoisomers that are nonsuperimposable mirror images of each other are known as ________.

Accepted Answer

A) enantiomers 
B) achiral isomers 
C) superimposable isomers 
D) anomers 
E) Fischer projections 
A) enantiomers 
B) achiral isomers 
C) superimposable isomers 
D) anomers 
E) Fischer projections

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

The disaccharide above contains a(n)________-glycosidic linkage.

Accepted Answer

A) α-1,4 
B) β-1,4 
C) α-2,4 
D) β-2,4 
E) α-2,6 
A) α-1,4 
B) β-1,4 
C) α-2,4 
D) β-2,4 
E) α-2,6

Question 10

The form of glucose is the ________ isomer.

Accepted Answer

A) alpha 
B) beta 
C) delta 
D) second 
E) keto 
A) alpha 
B) beta 
C) delta 
D) second 
E) keto

Question 11

Enantiomers may have very different tastes or smells.

Accepted Answer

A) True 
 B)False

Question 12

Chiral drugs consist of only one enantiomer.The benefits of using a pure enantiomer,rather than a mixture,include ________.

Accepted Answer

A) higher potency (lower total dose of drug) 
B) elimination of side effects 
C) reduced chances of drug interactions 
D) all of the above 
E) none of the above 
A) higher potency (lower total dose of drug) 
B) elimination of side effects 
C) reduced chances of drug interactions 
D) all of the above 
E) none of the above

Question 13

In beta-glucose,the new -OH group is above the plane of the ring.

Accepted Answer

A) True 
 B)False

Question 14

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 15

Sucrose is made up of glucose units only.

Accepted Answer

A) True 
 B)False

Question 16

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 17

In glucose,the -OH group on carbon 4 is above the plane of the ring.

Accepted Answer

A) True 
 B)False

Question 18

Enantiomers are mirror images of each other.

Accepted Answer

A) True 
 B)False

Question 19

An enantiomer is ________.

Accepted Answer

A) a stereoisomer that is not a mirror image of another molecule 
B) a stereoisomer whose mirror image cannot be superimposed 
C) a diastereoisomer 
D) a constitutional isomer 
E) a geometric isomer 
A) a stereoisomer that is not a mirror image of another molecule 
B) a stereoisomer whose mirror image cannot be superimposed 
C) a diastereoisomer 
D) a constitutional isomer 
E) a geometric isomer

Question 20

Benedict's test requires an aldehyde and an adjacent ________.

Accepted Answer

A) saturated carbon 
B) ketone 
C) hydroxyl 
D) phenyl ring 
E) acid 
A) saturated carbon 
B) ketone 
C) hydroxyl 
D) phenyl ring 
E) acid

Humans do not have the enzyme necessary to hydrolyze cellulose.

Hyperglycemia is a condition in which ________.

In a disaccharide,two monosaccharides are joined by what kind of bond?

Amylose is a form of starch which has ________.

Under acid hydrolysis conditions,starch is converted to ________.

A reducing sugar gives a precipitate of silver metal with Benedict's reagent.

Stereoisomers that are nonsuperimposable mirror images of each other are known as ________.

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

The disaccharide above contains a(n)________-glycosidic linkage.

The form of glucose is the ________ isomer.

Enantiomers may have very different tastes or smells.

Chiral drugs consist of only one enantiomer.The benefits of using a pure enantiomer,rather than a mixture,include ________.

In beta-glucose,the new -OH group is above the plane of the ring.

Aspartame® and Saccharin® are two examples of ________.

Sucrose is made up of glucose units only.

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

In glucose,the -OH group on carbon 4 is above the plane of the ring.

Enantiomers are mirror images of each other.

An enantiomer is ________.

Benedict's test requires an aldehyde and an adjacent ________.

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Exam 13: Carbohydrates

Humans do not have the enzyme necessary to hydrolyze cellulose.

Hyperglycemia is a condition in which ________.

In a disaccharide,two monosaccharides are joined by what kind of bond?

Amylose is a form of starch which has ________.

Under acid hydrolysis conditions,starch is converted to ________.

A reducing sugar gives a precipitate of silver metal with Benedict's reagent.

Stereoisomers that are nonsuperimposable mirror images of each other are known as ________.

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

The disaccharide above contains a(n)________-glycosidic linkage.

The form of glucose is the ________ isomer.

Enantiomers may have very different tastes or smells.

Chiral drugs consist of only one enantiomer.The benefits of using a pure enantiomer,rather than a mixture,include ________.

In beta-glucose,the new -OH group is above the plane of the ring.

Aspartame® and Saccharin® are two examples of ________.

Sucrose is made up of glucose units only.

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

In glucose,the -OH group on carbon 4 is above the plane of the ring.

Enantiomers are mirror images of each other.

An enantiomer is ________.

Benedict's test requires an aldehyde and an adjacent ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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