Question 1

Which of the following is NOT a function of lipids in the human body?

Accepted Answer

A) protection 
B) energy storage 
C) insulation 
D) pH regulation 
E) chemical messengers 
A) protection 
B) energy storage 
C) insulation 
D) pH regulation 
E) chemical messengers

Question 2

Answer the question(s)that follow about the diagram shown below.  
-In this diagram of a cell membrane, the objects labeled (E)are

Accepted Answer

A) steroids. 
B) carbohydrate side chains. 
C) phospholipids. 
D) hydrophobic regions. 
E) proteins. 
A) steroids. 
B) carbohydrate side chains. 
C) phospholipids. 
D) hydrophobic regions. 
E) proteins.

Question 3

The type of lipid that gives a cell membrane its shape is a

Accepted Answer

A) prostaglandin. 
B) bile salt. 
C) glycerophospholipid. 
D) wax. 
E) triacylglycerol. 
A) prostaglandin. 
B) bile salt. 
C) glycerophospholipid. 
D) wax. 
E) triacylglycerol.

Question 4

A lipoprotein particle functions to

Accepted Answer

A) dissolve polar lipids in urine. 
B) dissolve polar lipids for excretion. 
C) metabolize lipids into new substances. 
D) transport nonpolar lipids to body cells. 
E) store lipids in the tissues. 
A) dissolve polar lipids in urine. 
B) dissolve polar lipids for excretion. 
C) metabolize lipids into new substances. 
D) transport nonpolar lipids to body cells. 
E) store lipids in the tissues.

Question 5

Commercially, liquid vegetable oils are converted to solid fats such as margarine by

Accepted Answer

A) saponification. 
B) hydrolysis. 
C) hydrogenation. 
D) oxidation. 
E) hydration. 
A) saponification. 
B) hydrolysis. 
C) hydrogenation. 
D) oxidation. 
E) hydration.

Question 6

Which of the following lipids will give a single molecule of fatty acid per reactant molecule when hydrolyzed?

Accepted Answer

A) cholesterol 
B) phospholipid 
C) wax 
D) glycolipid 
E) fat 
A) cholesterol 
B) phospholipid 
C) wax 
D) glycolipid 
E) fat

Question 7

Glycerophospholipids can interact both with other lipids and water because they contain both ________ and ________.

Accepted Answer

A) polar regions; nonpolar regions 
B) bile salts; cholesterol 
C) single bonds; double bonds 
D) glycerol; sphingosine 
E) saturated fatty acids; unsaturated fatty acids 
A) polar regions; nonpolar regions 
B) bile salts; cholesterol 
C) single bonds; double bonds 
D) glycerol; sphingosine 
E) saturated fatty acids; unsaturated fatty acids

Question 8

Palmitic acid is a 16 carbon acid. In a balanced equation, the products of the saponification of glyceryl
tripalmitate (tripalmitin) are

Accepted Answer

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

Question 9

Which of the following fatty acids is most likely to be a liquid at room temprature ?

Accepted Answer

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

Question 10

The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is ________.

Accepted Answer

A) oxidation 
B) reduction 
C) hydrogenation 
D) saponification 
E) hydration 
A) oxidation 
B) reduction 
C) hydrogenation 
D) saponification 
E) hydration

Question 11

A triacylglycerol that is solid at room temperature is called a(n)

Accepted Answer

A) oil. 
B) lecithin. 
C) fat. 
D) cephalin. 
E) wax. 
A) oil. 
B) lecithin. 
C) fat. 
D) cephalin. 
E) wax.

Question 12

The products of this reaction is

Accepted Answer

A) glyceryl tripalmitate. 
B) fat. 
C) glyceryl tristearate. 
D) glyceryl trioleate. 
E) glyceryl tricaprate. 
A) glyceryl tripalmitate. 
B) fat. 
C) glyceryl tristearate. 
D) glyceryl trioleate. 
E) glyceryl tricaprate.

Question 13

Which of the following is a fatty acid which is a solid at room temprature?

Accepted Answer

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

Question 14

Answer the question(s)that follow about the diagram shown below.  
-All of the following are insoluble in water except ________.

Accepted Answer

A) glyceryl tripalmitate 
B) carnauba wax 
C) cholesterol 
D) oleic acid 
E) acetic acid 
A) glyceryl tripalmitate 
B) carnauba wax 
C) cholesterol 
D) oleic acid 
E) acetic acid

Question 15

What type of lipid is the following compound?

Accepted Answer

A) bile salt 
B) glycerophospholipid 
C) prostaglandin 
D) wax 
E) steroid 
A) bile salt 
B) glycerophospholipid 
C) prostaglandin 
D) wax 
E) steroid

Question 16

Choose the palyunsaturated fatty acid from the compounds below.

Accepted Answer

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

Question 17

Which of the following is a lipid?

Accepted Answer

A) lactose 
B) cholesterol 
C) aniline 
D) nicotine 
E) collagen 
A) lactose 
B) cholesterol 
C) aniline 
D) nicotine 
E) collagen

Question 18

Which of the following is an unsaturated fatty acid?

Accepted Answer

A) myristic 
B) lauric 
C) palmitic 
D) oleic 
E) stearic 
A) myristic 
B) lauric 
C) palmitic 
D) oleic 
E) stearic

Question 19

According to the fluid-mosaic model of a cell membrane, the main component of a membrane is

Accepted Answer

A) a lipid bilayer. 
B) a prostaglandin. 
C) a steroid. 
D) a glycoprotein. 
E) a membrane protein. 
A) a lipid bilayer. 
B) a prostaglandin. 
C) a steroid. 
D) a glycoprotein. 
E) a membrane protein.

Question 20

What type of lipid is the following compound?

Accepted Answer

A) bile salt 
B) wax 
C) steroid 
D) glycerophospholipid 
E) triacylglycerol 
A) bile salt 
B) wax 
C) steroid 
D) glycerophospholipid 
E) triacylglycerol

Exam 17: Lipids

Which of the following is NOT a function of lipids in the human body?

Answer the question(s)that follow about the diagram shown below. -In this diagram of a cell membrane, the objects labeled (E)are

The type of lipid that gives a cell membrane its shape is a

A lipoprotein particle functions to

Commercially, liquid vegetable oils are converted to solid fats such as margarine by

Which of the following lipids will give a single molecule of fatty acid per reactant molecule when hydrolyzed?

Glycerophospholipids can interact both with other lipids and water because they contain both ________ and ________.

Palmitic acid is a 16 carbon acid. In a balanced equation, the products of the saponification of glyceryl tripalmitate (tripalmitin) are

Which of the following fatty acids is most likely to be a liquid at room temprature ?

The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is ________.

A triacylglycerol that is solid at room temperature is called a(n)

The products of this reaction is

Which of the following is a fatty acid which is a solid at room temprature?

Answer the question(s)that follow about the diagram shown below. -All of the following are insoluble in water except ________.

What type of lipid is the following compound?

Choose the palyunsaturated fatty acid from the compounds below.

Which of the following is a lipid?

Which of the following is an unsaturated fatty acid?

According to the fluid-mosaic model of a cell membrane, the main component of a membrane is

What type of lipid is the following compound?

Chemistry in Our Lives

Chemistry and Measurements

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carbohydrates

Carboxylic Acids and Esters

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

Glycerophospholipids can interact both with other lipids and water because they contain both and .