Question 1

The products of the reaction of a triglyceride with 3 M NaOH could be converted to the products of the hydrolysis of the same triglyceride by the

Accepted Answer

A) addition of water. 
B) addition of acid. 
C) addition of more base. 
D) The conversion cannot be done. 
A) addition of water. 
B) addition of acid. 
C) addition of more base. 
D) The conversion cannot be done. B

Question 2

Upon hydrolysis,which of the following lipids would yield a carbohydrate as a product?

Accepted Answer

A) phosphoglycerides 
B) lecithins 
C) cephalins 
D) glycolipids 
A) phosphoglycerides 
B) lecithins 
C) cephalins 
D) glycolipids D

Question 3

Which of the following fatty acids is most likely to be found in an oil?

Accepted Answer

A) CH3(CH2)16COOH 
B) CH3(CH2)20COOH 
C) CH3(CH2)7CH=CH(CH2)7COOH 
D) CH3(CH2)18COOH 
A) CH3(CH2)16COOH 
B) CH3(CH2)20COOH 
C) CH3(CH2)7CH=CH(CH2)7COOH 
D) CH3(CH2)18COOH C

Question 4

Which reaction is involved in preparing margarine from corn oil?

Accepted Answer

A) hydrolysis 
B) hydrogenation 
C) saponification 
D) esterification 
A) hydrolysis 
B) hydrogenation 
C) saponification 
D) esterification

Question 5

The most abundant naturally occurring lipids are ____.

Accepted Answer

A) prostaglandins 
B) fats and oils 
C) steroids 
D) waxes 
A) prostaglandins 
B) fats and oils 
C) steroids 
D) waxes

Question 6

Adrenocorticoids are

Accepted Answer

A) steroid hormones. 
B) increased glucose in the body. 
C) include testosterone. 
D) a cause of nerve inflammation. 
A) steroid hormones. 
B) increased glucose in the body. 
C) include testosterone. 
D) a cause of nerve inflammation.

Question 7

The following substance would be classified as an omega-3 fatty acid.
CH3(CH2)4(CH=CHCH2)4(CH2)2COOH

Accepted Answer

A) True 
 B)False

Question 8

While various anabolic steroids can enhance athletic performance,their use is not without risk.

Accepted Answer

A) True 
 B)False

Question 9

One of the products of hydrolysis of a fat is a(n)_____.

Accepted Answer

A) aldehyde 
B) glycerol 
C) ester 
D) ketone 
A) aldehyde 
B) glycerol 
C) ester 
D) ketone

Question 10

Triglycerides are examples of simple lipids.

Accepted Answer

A) True 
 B)False

Question 11

Consider the figure below.To produce a cerebroside,which of the species listed might be placed in the box?

Accepted Answer

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

Question 12

Cholesterol in the human body is important because it is the raw material for bile salts and sex hormones.

Accepted Answer

A) True 
 B)False

Question 13

Unsaturated fats must contain at least one double bond in the carbon skeleton.

Accepted Answer

A) True 
 B)False

Question 14

Prostaglandins are similar to bile salts in their function in the body.

Accepted Answer

A) True 
 B)False

Question 15

Cholesterol,the most abundant steroid in the body,can not be found in which of the following sources?

Accepted Answer

A) green beans 
B) eggs 
C) butter 
D) milk 
A) green beans 
B) eggs 
C) butter 
D) milk

Question 16

How would the following structure be best classified?

Accepted Answer

A) fatty acid 
B) wax 
C) prostaglandin 
D) sphingolipid 
A) fatty acid 
B) wax 
C) prostaglandin 
D) sphingolipid

Question 17

Glycerol is an example of a(n)_____.

Accepted Answer

A) alcohol 
B) ester 
C) carboxylic acid 
D) ether 
A) alcohol 
B) ester 
C) carboxylic acid 
D) ether

Question 18

The flexibility of cell membranes is due to strong hydrogen bonding between lipids.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following lipids is classified as saponifiable?

Accepted Answer

A) a terpene 
B) a steroid 
C) a sphingolipid 
D) a prostaglandin 
A) a terpene 
B) a steroid 
C) a sphingolipid 
D) a prostaglandin

Question 20

How many moles of hydrogen would be need to completely hydrogenate two moles of arachidonic acid (shown below)in the presence of a Ni catalyst? CH3(CH2)4(CH=CH2)4(CH2)2COOH

Accepted Answer

A) 1 mole H2 
B) 4 moles H2 
C) 2 moles H2 
D) 8 moles H2 
A) 1 mole H2 
B) 4 moles H2 
C) 2 moles H2 
D) 8 moles H2

Exam 18: Lipids

The products of the reaction of a triglyceride with 3 M NaOH could be converted to the products of the hydrolysis of the same triglyceride by the

Upon hydrolysis,which of the following lipids would yield a carbohydrate as a product?

Which of the following fatty acids is most likely to be found in an oil?

Which reaction is involved in preparing margarine from corn oil?

The most abundant naturally occurring lipids are ____.

Adrenocorticoids are

The following substance would be classified as an omega-3 fatty acid. CH3(CH2)4(CH=CHCH2)4(CH2)2COOH

While various anabolic steroids can enhance athletic performance,their use is not without risk.

One of the products of hydrolysis of a fat is a(n)_____.

Triglycerides are examples of simple lipids.

Consider the figure below.To produce a cerebroside,which of the species listed might be placed in the box?

Cholesterol in the human body is important because it is the raw material for bile salts and sex hormones.

Unsaturated fats must contain at least one double bond in the carbon skeleton.

Prostaglandins are similar to bile salts in their function in the body.

Cholesterol,the most abundant steroid in the body,can not be found in which of the following sources?

How would the following structure be best classified?

Glycerol is an example of a(n)_____.

The flexibility of cell membranes is due to strong hydrogen bonding between lipids.

Which of the following lipids is classified as saponifiable?

How many moles of hydrogen would be need to completely hydrogenate two moles of arachidonic acid (shown below)in the presence of a Ni catalyst? CH3(CH2)4(CH=CH2)4(CH2)2COOH

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

The following substance would be classified as an omega-3 fatty acid. CH₃(CH₂)₄(CH=CHCH₂)₄(CH₂)₂COOH

How many moles of hydrogen would be need to completely hydrogenate two moles of arachidonic acid (shown below)in the presence of a Ni catalyst? CH₃(CH₂)₄(CH=CH₂)₄(CH₂)₂COOH