Question 1

Identify each Fischer projection as the D- or L-isomer.
-

Accepted Answer

The answer of Identify each Fischer projection as the D-...

Question 2

Amylose is a polysaccharide.

Accepted Answer

A) True 
 B)False

Question 3

Enantiomers may have very different tastes or smells.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Which of the following compounds is chiral?

Accepted Answer

A)  
B)  
C)  
D)  
E)  F) B) and D)
G) A) and E)

Question 6

Galactose is a product of enzymatic hydrolysis of ________.

Accepted Answer

A)  lactose
B)  glucose
C)  maltose
D)  erythrose
E)  sucroseF) B) and E)
G) A) and E)

Question 7

In the L- isomer of a Fischer projection of a monosaccharide,the -OH group furthest from the carbonyl is written ________.

Accepted Answer

A)  on the left of the top chiral carbon
B)  on the right of the top chiral carbon
C)  on the left of the middle chiral carbon
D)  on the left of the bottom chiral carbon
E)  on the right of the bottom chiral carbonF) A) and B)
G) All of the above

Question 8

Photosynthesis uses ________ as an energy source.

Accepted Answer

A)  glucose
B)  carbon dioxide
C)  chlorophyll
D)  oxygen
E)  sunlightF) A) and D)
G) A) and B)

Question 9

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 10

Sucrose is made up of glucose units only.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A)  double
B)  anomeric
C)  alcohol
D)  glycosidic
E)  rotationalF) D) and E)
G) A) and E)

Question 12

A monosaccharide that contains 6 carbon atoms,one of which is in an aldehyde group,is classified as a(n) ________.

Accepted Answer

A)  aldopentose
B)  aldohexose
C)  ketopentose
D)  aldotetrose
E)  ketotetroseF) A) and C)
G) A) and B)

Question 13

Sucrose is a reducing sugar.

Accepted Answer

A) True 
 B)False

Question 14

In the carbon cycle,carbon dioxide and water are converted to glucose and oxygen by ________.

Accepted Answer

A)  large animals
B)  insects
C)  mushrooms
D)  green plants
E)  earthwormsF) A) and E)
G) B) and E)

Question 15

Hydrolysis of the disaccharide above gives the monosaccharides ________.

Accepted Answer

A)  fructose and ribose
B)  fructose and galactose
C)  ribose and glucose
D)  ribose and galactose
E)  fructose and lactoseF) A) and E)
G) A) and D)

Question 16

Match between columns
                        Premises: an unbranched carbohydrate that stores glucose in plants
the product when maltose is hydrolyzed
a disaccharide consisting of glucose and fructose
a monosaccharide that combines with glucose to form lactose
a disaccharide that occurs as a breakdown product of starch
a disaccharide found in milk and milk products
a carbohydrate that is used to build cell walls in plants
a monosaccharide found in fruit juices and honey,the sweetest carbohydrate
a carbohydrate that cannot be digested by humans
a carbohydrate that stores energy in the human body

Accepted Answer

The Answer of amylose and cellulose and glucose and galactose is...

Question 17

A deep blue color in Benedict's test indicates the presence of an aldehyde with an adjacent alcohol.

Accepted Answer

A) True 
 B)False

Question 18

Glucose can have the structure shown below.It can be classified as a(n) ________.

Accepted Answer

A)  ribose
B)  ketose
C)  disaccharide
D)  monosaccharide
E)  ketoneF) B) and E)
G) B) and D)

Question 19

A chiral carbon atom can have fewer than four different groups bonded to it.

Accepted Answer

A) True 
 B)False

Question 20

Aspartame and Saccharin are two examples of ________.

Accepted Answer

A)  disaccharides
B)  polysaccharides
C)  chlorosaccharides
D)  alcohol sweeteners
E)  noncarbohydrate sweetenersF) A) and B)
G) B) and E)

Exam 13: Carbohydrates

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

Correct Answer
verified

In the carbon cycle,carbon dioxide and water are converted to glucose and oxygen by ________.

Correct Answer
verified

A deep blue color in Benedict's test indicates the presence of an aldehyde with an adjacent alcohol.

Correct Answer
verified

Identify each Fischer projection as the D- or L-isomer. -

Correct Answer
verified

Which of the following compounds is chiral?

Correct Answer
verified

A monosaccharide that contains 6 carbon atoms,one of which is in an aldehyde group,is classified as a(n) ________.

Correct Answer
verified

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

Correct Answer
verified

Glucose can have the structure shown below.It can be classified as a(n) ________.

Correct Answer
verified

Sucrose is a reducing sugar.

Correct Answer
verified

Amylose is a polysaccharide.

Correct Answer
verified

Select the correct carbohydrate for each description.

A chiral carbon atom can have fewer than four different groups bonded to it.

Correct Answer
verified

Hydrolysis of the disaccharide above gives the monosaccharides ________.

Correct Answer
verified

Sucrose is made up of glucose units only.

Correct Answer
verified

Enantiomers may have very different tastes or smells.

Correct Answer
verified

Galactose is a product of enzymatic hydrolysis of ________.

Correct Answer
verified

Aspartame and Saccharin are two examples of ________.

Correct Answer
verified

Photosynthesis uses ________ as an energy source.

Correct Answer
verified

In the L- isomer of a Fischer projection of a monosaccharide,the -OH group furthest from the carbonyl is written ________.

Correct Answer
verified

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

Correct Answer
verified

Exam 13: Carbohydrates

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

Correct AnswerverifiedShow Answer

In the carbon cycle,carbon dioxide and water are converted to glucose and oxygen by ________.

Correct AnswerverifiedShow Answer

A deep blue color in Benedict's test indicates the presence of an aldehyde with an adjacent alcohol.

Correct AnswerverifiedShow Answer

Identify each Fischer projection as the D- or L-isomer. -

Correct AnswerverifiedShow Answer

Which of the following compounds is chiral?

Correct AnswerverifiedShow Answer

A monosaccharide that contains 6 carbon atoms,one of which is in an aldehyde group,is classified as a(n) ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Glucose can have the structure shown below.It can be classified as a(n) ________.

Correct AnswerverifiedShow Answer

Sucrose is a reducing sugar.

Correct AnswerverifiedShow Answer

Amylose is a polysaccharide.

Correct AnswerverifiedShow Answer

Select the correct carbohydrate for each description.

A chiral carbon atom can have fewer than four different groups bonded to it.

Correct AnswerverifiedShow Answer

Hydrolysis of the disaccharide above gives the monosaccharides ________.

Correct AnswerverifiedShow Answer

Sucrose is made up of glucose units only.

Correct AnswerverifiedShow Answer

Enantiomers may have very different tastes or smells.

Correct AnswerverifiedShow Answer

Galactose is a product of enzymatic hydrolysis of ________.

Correct AnswerverifiedShow Answer

Aspartame and Saccharin are two examples of ________.

Correct AnswerverifiedShow Answer

Photosynthesis uses ________ as an energy source.

Correct AnswerverifiedShow Answer

In the L- isomer of a Fischer projection of a monosaccharide,the -OH group furthest from the carbonyl is written ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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