Question 1

Vitamins are organic compounds required in small quantities for normal metabolism.

Accepted Answer

A) True 
 B)False  True

Question 2

Which structure is a prostaglandin?

Accepted Answer

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

Question 3

What hydrolysis products are formed when the wax CH3(CH2)18COO(CH2)17CH3 is treated with aqueous sulfuric acid?

Accepted Answer

A) CH3(CH2)18CHO + CH3(CH2)16CH2OH 
B) CH3(CH2)18COOH + CH3(CH2)16CH2OH 
C) CH3(CH2)18COOH + CH3(CH2)16CH3 
D) CH3(CH2)18COOH + CH3(CH2)16COOH 
E) CH3(CH2)18CH2OH + CH3(CH2)16COOH 
A) CH3(CH2)18CHO + CH3(CH2)16CH2OH 
B) CH3(CH2)18COOH + CH3(CH2)16CH2OH 
C) CH3(CH2)18COOH + CH3(CH2)16CH3 
D) CH3(CH2)18COOH + CH3(CH2)16COOH 
E) CH3(CH2)18CH2OH + CH3(CH2)16COOH B

Question 4

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

Accepted Answer

A)    
B)    
C)    
D) None of the above represents a phosphoacylglycerol. 
A)    
B)    
C)    
D) None of the above represents a phosphoacylglycerol.

Question 5

The molecule below is an omega-9 fatty acid.

Accepted Answer

A) True 
 B)False

Question 6

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 7

Triacylglycerols, or triglycerides, are triesters formed from glycerol and three _____ molecules.

Accepted Answer

The answer of Triacylglycerols, or triglycerides, are triesters formed from...

Question 8

Which is a hydrolyzable lipid?

Accepted Answer

A) a leukotriene 
B) cholesterol 
C) a phosphoacylglycerol 
D) Vitamin A 
A) a leukotriene 
B) cholesterol 
C) a phosphoacylglycerol 
D) Vitamin A

Question 9

What process is used to move large polar molecules and ions, such as Cl- and HCO3-, through a cell membrane, traveling from the side of higher concentration to the side of lower concentration?

Accepted Answer

A) facilitated transport 
B) diffusion 
C) active transport 
D) effusion 
A) facilitated transport 
B) diffusion 
C) active transport 
D) effusion

Question 10

A sphingomyelin has three nonpolar side chain tails and one polar head.

Accepted Answer

A) True 
 B)False

Question 11

There are _____ chirality centers in prednisone (structure shown).

Accepted Answer

The answer of There are _____ chirality centers in prednisone...

Question 12

What is the structure of myristic acid?

Accepted Answer

A) CH3(CH2)12COOH 
B) CH3(CH2)7CH=CH(CH2)7COOH 
C) CH3(CH2)4CH=CHCH2CH=CH(CH2)7COOH 
D) CH3(CH2)14COOH 
A) CH3(CH2)12COOH 
B) CH3(CH2)7CH=CH(CH2)7COOH 
C) CH3(CH2)4CH=CHCH2CH=CH(CH2)7COOH 
D) CH3(CH2)14COOH

Question 13

Which is not a fat-soluble vitamin?

Accepted Answer

A) Vitamin A 
B) Vitamin C 
C) Vitamin E 
D) Vitamin K 
A) Vitamin A 
B) Vitamin C 
C) Vitamin E 
D) Vitamin K

Question 14

As the number of double bonds in a fatty acid increases, the melting point _____.

Accepted Answer

The answer of As the number of double bonds in...

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

Fats contain a larger percentage of unsaturation in their structures than oils do.

Accepted Answer

A) True 
 B)False

Question 17

The compound below is a mixed triacylglycerol formed from lauric, myristic, and linoleic acids.

Accepted Answer

A) True 
 B)False

Question 18

Which compound has the highest melting point?

Accepted Answer

A) CH3(CH2)14COOH 
B) CH3(CH2)10CH=CH(CH2)2COOH 
C) CH3(CH2)2CH=CH(CH2)4CH=CH(CH2)4COOH 
D) CH3(CH2)2CH=CH(CH2)2CH=CH(CH2)2CH=CH(CH2)2COOH 
A) CH3(CH2)14COOH 
B) CH3(CH2)10CH=CH(CH2)2COOH 
C) CH3(CH2)2CH=CH(CH2)4CH=CH(CH2)4COOH 
D) CH3(CH2)2CH=CH(CH2)2CH=CH(CH2)2CH=CH(CH2)2COOH

Question 19

What is the structure of myristic acid?

Accepted Answer

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

Question 20

Lovastatin (structure shown)was the first statin drug to be marketed and used for lowering blood cholesterol. Which of the following functional groups is not present in lovastatin?

Accepted Answer

A) ketone 
B) ester 
C) alcohol 
D) alkene 
A) ketone 
B) ester 
C) alcohol 
D) alkene

Exam 19: Lipids

Vitamins are organic compounds required in small quantities for normal metabolism.

Which structure is a prostaglandin?

What hydrolysis products are formed when the wax CH3(CH2)18COO(CH2)17CH3 is treated with aqueous sulfuric acid?

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

The molecule below is an omega-9 fatty acid.

Which of these groups of compounds are phospholipids?

Triacylglycerols, or triglycerides, are triesters formed from glycerol and three _____ molecules.

Which is a hydrolyzable lipid?

What process is used to move large polar molecules and ions, such as Cl- and HCO3-, through a cell membrane, traveling from the side of higher concentration to the side of lower concentration?

A sphingomyelin has three nonpolar side chain tails and one polar head.

There are _____ chirality centers in prednisone (structure shown).

What is the structure of myristic acid?

Which is not a fat-soluble vitamin?

As the number of double bonds in a fatty acid increases, the melting point _____.

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

Fats contain a larger percentage of unsaturation in their structures than oils do.

The compound below is a mixed triacylglycerol formed from lauric, myristic, and linoleic acids.

Which compound has the highest melting point?

What is the structure of myristic acid?

Lovastatin (structure shown)was the first statin drug to be marketed and used for lowering blood cholesterol. Which of the following functional groups is not present in lovastatin?

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

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

What hydrolysis products are formed when the wax CH₃(CH₂)₁₈COO(CH₂)₁₇CH₃ is treated with aqueous sulfuric acid?

What process is used to move large polar molecules and ions, such as Cl^- and HCO₃^-, through a cell membrane, traveling from the side of higher concentration to the side of lower concentration?