Question 1

The compound shown below is best classified as what type of lipid?

Accepted Answer

A)  A triacylglycerol
B)  A soap
C)  A fatty acid
D)  A waxE) All of the above
F) B) and C)

Question 2

Hydrolysis of the triacylglycerol below provides the indicated products.

Accepted Answer

A) True 
 B)False

Question 3

What functional group is contained in most hydrolyzable lipids?

Accepted Answer

A)  Amide
B)  Ether
C)  Ester
D)  Carboxylic acid
E)  AlkeneF) A) and E)
G) C) and D)

Question 4

There is only one polar bond in Vitamin D4 (structure shown).

Accepted Answer

A) True 
 B)False

Question 5

What is the structure of myristic acid?

Accepted Answer

A)   
B)   
C)   
D)   E) All of the above
F) C) and D)

Question 6

Which statement is not true?

Accepted Answer

A)  Vitamin A is obtained from liver,oily fish,and dairy products.
B)  Vitamin E is an oxidizing agent,oxidizing the unsaturated side chains in fatty acids.
C)  A severe deficiency of vitamin K leads to excessive and sometimes fatal bleeding,because of inadequate blood clotting.
D)  Vitamin D helps regulate both calcium and phosphorus metabolism.E) B) and C)
F) B) and D)

Question 7

The compound shown below is best classified as what type of lipid?

Accepted Answer

A)  A triacylglycerol
B)  A soap
C)  A fatty acid
D)  A waxE) A) and B)
F) B) and C)

Question 8

Triacylglycerols form lipid bilayers.

Accepted Answer

A) True 
 B)False

Question 9

The ________ is the aqueous medium inside the cell,separated from water outside the cell by the cell membrane.

Accepted Answer

The answer of The ________ is the aqueous medium inside...

Question 10

Which "cartoon" best represents the structure of a phosphoacylglycerol?

Accepted Answer

A)   
B)   
C)   
D)  None of these represents a phosphoacylglycerol.E) All of the above
F) A) and D)

Question 11

The compound below is a phospholipid classified as a lecithin.

Accepted Answer

A) True 
 B)False

Question 12

Which is not true about prostaglandins?

Accepted Answer

A)  Prostaglandins decrease gastric secretions.
B)  Prostaglandins decrease inflammation.
C)  Prostaglandins inhibit blood platelet aggregation.
D)  Prostaglandins stimulate uterine contractions.
E)  Prostaglandins relax the smooth muscles of the uterus.F) None of the above
G) All of the above

Question 13

Which is a hydrolyzable lipid?

Accepted Answer

A)  A triacylglycerol
B)  A steroid
C)  An eicosanoid
D)  A fat-soluble vitaminE) C) and D)
F) None of the above

Question 14

What is the structure of arachidic acid?

Accepted Answer

A)   
B)   
C)   
D)   E) All of the above
F) C) and D)

Question 15

The compound below is the amino alcohol known as sphingosine,which forms the backbone of sphingomyelins.

Accepted Answer

A) True 
 B)False

Question 16

Prostaglandins are a group of carboxylic acids that contain a five-membered ring,and are responsible for inflammation.

Accepted Answer

A) True 
 B)False

Question 17

Which of these groups of compounds are phospholipids?

Accepted Answer

A)  Leukotrienes
B)  Fatty acids
C)  Sphingomyelins
D)  Adrenal cortical steroidsE) A) and C)
F) C) and D)

Question 18

Which statement correctly describes the hydroxyl (-OH) groups found in the steroid prednisone (structure shown) ?

Accepted Answer

A)  There is one primary alcohol group and one secondary alcohol group.
B)  There is one secondary alcohol group and one tertiary alcohol group.
C)  There is one primary alcohol group and one tertiary alcohol group.
D)  There is one tertiary alcohol group and one carboxylic acid.E) None of the above
F) A) and B)

Question 19

There are ________ chirality centers in Vitamin A (structure shown).

Accepted Answer

The answer of There are ________ chirality centers in Vitamin...

Question 20

How many triacylglycerols can be prepared from two different fatty acids?

Accepted Answer

A)  2
B)  4
C)  6
D)  8E) B) and C)
F) A) and D)

Exam 19: Lipids

Which is not true about prostaglandins?

Correct AnswerverifiedShow Answer

Which statement is not true?

Correct AnswerverifiedShow Answer

Prostaglandins are a group of carboxylic acids that contain a five-membered ring,and are responsible for inflammation.

Correct AnswerverifiedShow Answer

What is the structure of myristic acid?

Correct AnswerverifiedShow Answer

Triacylglycerols form lipid bilayers.

Correct AnswerverifiedShow Answer

The compound below is a phospholipid classified as a lecithin.

Correct AnswerverifiedShow Answer

Which "cartoon" best represents the structure of a phosphoacylglycerol?

Correct AnswerverifiedShow Answer

The ________ is the aqueous medium inside the cell,separated from water outside the cell by the cell membrane.

Correct AnswerverifiedShow Answer

The compound shown below is best classified as what type of lipid?

Correct AnswerverifiedShow Answer

What is the structure of arachidic acid?

Correct AnswerverifiedShow Answer

The compound below is the amino alcohol known as sphingosine,which forms the backbone of sphingomyelins.

Correct AnswerverifiedShow Answer

Which of these groups of compounds are phospholipids?

Correct AnswerverifiedShow Answer

There is only one polar bond in Vitamin D4 (structure shown).

Correct AnswerverifiedShow Answer

There are ________ chirality centers in Vitamin A (structure shown).

Correct AnswerverifiedShow Answer

The compound shown below is best classified as what type of lipid?

Correct AnswerverifiedShow Answer

Which statement correctly describes the hydroxyl (-OH) groups found in the steroid prednisone (structure shown) ?

Correct AnswerverifiedShow Answer

Which is a hydrolyzable lipid?

Correct AnswerverifiedShow Answer

How many triacylglycerols can be prepared from two different fatty acids?

Correct AnswerverifiedShow Answer

Hydrolysis of the triacylglycerol below provides the indicated products.

Correct AnswerverifiedShow Answer

What functional group is contained in most hydrolyzable lipids?

Correct AnswerverifiedShow Answer

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