Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

What is the structure of arachidic acid?

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

Triacylglycerols form lipid bilayers.

Accepted Answer

A) True 
 B)False

Question 6

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. 
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.

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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 9

The compound below is a phospholipid classified as a lecithin.

Accepted Answer

A) True 
 B)False

Question 10

What is the structure of myristic acid?

Accepted Answer

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

Question 11

Which is a hydrolyzable lipid?

Accepted Answer

A) A triacylglycerol 
B) A steroid 
C) An eicosanoid 
D) A fat-soluble vitamin 
A) A triacylglycerol 
B) A steroid 
C) An eicosanoid 
D) A fat-soluble vitamin

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. 
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.

Question 13

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. 
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.

Question 14

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 wax 
A) A triacylglycerol 
B) A soap 
C) A fatty acid 
D) A wax

Question 15

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 wax 
A) A triacylglycerol 
B) A soap 
C) A fatty acid 
D) A wax

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

What functional group is contained in most hydrolyzable lipids?

Accepted Answer

A) Amide 
B) Ether 
C) Ester 
D) Carboxylic acid 
E) Alkene 
A) Amide 
B) Ether 
C) Ester 
D) Carboxylic acid 
E) Alkene

Question 18

Which of these groups of compounds are phospholipids?

Accepted Answer

A) Leukotrienes 
B) Fatty acids 
C) Sphingomyelins 
D) Adrenal cortical steroids 
A) Leukotrienes 
B) Fatty acids 
C) Sphingomyelins 
D) Adrenal cortical steroids

Question 19

Hydrolysis of the triacylglycerol below provides the indicated products.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A)    
B)    
C)    
D) None of these represents a phosphoacylglycerol. 
A)    
B)    
C)    
D) None of these represents a phosphoacylglycerol.

Exam 19: Lipids

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

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

What is the structure of arachidic acid?

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

Triacylglycerols form lipid bilayers.

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

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

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

The compound below is a phospholipid classified as a lecithin.

What is the structure of myristic acid?

Which is a hydrolyzable lipid?

Which is not true about prostaglandins?

Which statement is not true?

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

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

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

What functional group is contained in most hydrolyzable lipids?

Which of these groups of compounds are phospholipids?

Hydrolysis of the triacylglycerol below provides the indicated products.

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

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

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