Question 1

Lipids are compounds that are soluble in

Accepted Answer

A)  distilled water. 
B)  normal saline solution. 
C)  glucose solution. 
D)  chloroform. 
E)  oxygen. 
A)  distilled water. 
B)  normal saline solution. 
C)  glucose solution. 
D)  chloroform. 
E)  oxygen.

Question 2

Which of the following compounds is a glycerolphospholipid?

Accepted Answer

A)  jojoba wax 
B)  estrogen 
C)  lecithin 
D)  triolein 
E)  cerebroside 
A)  jojoba wax 
B)  estrogen 
C)  lecithin 
D)  triolein 
E)  cerebroside

Question 3

In the list below, which lipid type is most soluble in water?

Accepted Answer

A)  triacylglycerols 
B)  glycerophospholipids 
C)  oils 
D)  steroids 
E)  waxes 
A)  triacylglycerols 
B)  glycerophospholipids 
C)  oils 
D)  steroids 
E)  waxes

Question 4

For the question(s) that follow, identify the class of lipid to which each of the following molecules belongs.
-

Accepted Answer

A)  bile salt 
B)  triacylglycerol 
C)  prostaglandin 
D)  wax 
E)  sphingolipid 
A)  bile salt 
B)  triacylglycerol 
C)  prostaglandin 
D)  wax 
E)  sphingolipid

Question 5

Answer the question(s) that follow about the diagram shown below.  
-A lecithin contains the following components:

Accepted Answer

A)  glycerol and three fatty acids 
B)  glycerol, two fatty acids and choline 
C)  glycerol, two fatty acids, phosphate and an amino alcohol 
D)  sphingosine, two fatty acids, phosphate and an amino alcohol 
E)  sphingosine, one fatty acid, phosphate and an amino alcohol 
A)  glycerol and three fatty acids 
B)  glycerol, two fatty acids and choline 
C)  glycerol, two fatty acids, phosphate and an amino alcohol 
D)  sphingosine, two fatty acids, phosphate and an amino alcohol 
E)  sphingosine, one fatty acid, phosphate and an amino alcohol

Question 6

Answer the question(s) that follow about the diagram shown below.  
-In this diagram of a cell membrane, the object labeled (D) is part of a

Accepted Answer

A)  steroid. 
B)  hydrophobic region. 
C)  cholesterol. 
D)  glycerophospholipid. 
E)  glycosphingolipid. 
A)  steroid. 
B)  hydrophobic region. 
C)  cholesterol. 
D)  glycerophospholipid. 
E)  glycosphingolipid.

Question 7

Most plant lipids are saturated lipids.

Accepted Answer

A) True 
 B)False

Question 8

The most common type of gallstones is composed of almost pure

Accepted Answer

A)  cholesterol. 
B)  bile salts. 
C)  glycerophospholipids. 
D)  calcium salts of fatty acids. 
E)  anabolic steroids. 
A)  cholesterol. 
B)  bile salts. 
C)  glycerophospholipids. 
D)  calcium salts of fatty acids. 
E)  anabolic steroids.

Question 9

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

Accepted Answer

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

Question 10

Which of the following fatty acids is a solid at room temperature?

Accepted Answer

A)  palmitoleic 
B)  oleic 
C)  stearic 
D)  linoleic 
E)  linolenic 
A)  palmitoleic 
B)  oleic 
C)  stearic 
D)  linoleic 
E)  linolenic

Question 11

Answer the question(s) that follow about the diagram shown below.  
-Which of the following is NOT a lipid?

Accepted Answer

A)  oleic acid 
B)  cholesterol 
C)  carnuba wax 
D)  DNA 
E)  lecithin 
A)  oleic acid 
B)  cholesterol 
C)  carnuba wax 
D)  DNA 
E)  lecithin

Question 12

Which of the following is NOT a function of glycerophospholipids?

Accepted Answer

A)  transport of triacylglycerols 
B)  regulation of cellular permeability 
C)  protect nerve cells 
D)  aid in digestion 
E)  transport of cholesterol 
A)  transport of triacylglycerols 
B)  regulation of cellular permeability 
C)  protect nerve cells 
D)  aid in digestion 
E)  transport of cholesterol

Question 13

Waxes are lipids derived from

Accepted Answer

A)  a long-chain alcohol and a long-chain fatty acid. 
B)  glycerol and three fatty acids. 
C)  glycerol, fatty acids, phosphate, and an amino alcohol. 
D)  sphingosine, fatty acids, phosphate, and an amino alcohol. 
E)  terpenes and steroids. 
A)  a long-chain alcohol and a long-chain fatty acid. 
B)  glycerol and three fatty acids. 
C)  glycerol, fatty acids, phosphate, and an amino alcohol. 
D)  sphingosine, fatty acids, phosphate, and an amino alcohol. 
E)  terpenes and steroids.

Question 14

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

Accepted Answer

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

Question 15

Palmitic acid is an unsaturated fatty acid.

Accepted Answer

A) True 
 B)False

Question 16

Answer the question(s) that follow about the diagram shown below.  
-In this diagram of a cell membrane, the object labeled (C) is a

Accepted Answer

A)  steroid. 
B)  hydrophobic region. 
C)  phospholipid. 
D)  mitochondrion. 
E)  glycolipid. 
A)  steroid. 
B)  hydrophobic region. 
C)  phospholipid. 
D)  mitochondrion. 
E)  glycolipid.

Question 17

Which of the following is a lipid?

Accepted Answer

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

Question 18

A lipoprotein particle functions to

Accepted Answer

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

Question 19

Bile salts are synthesized from __________.

Accepted Answer

A)  cephalin 
B)  triacylglycerols 
C)  pancreas 
D)  cholesterol 
E)  lecithin 
A)  cephalin 
B)  triacylglycerols 
C)  pancreas 
D)  cholesterol 
E)  lecithin

Question 20

Answer the question(s) that follow about the diagram shown below.  
-In this diagram of a cell membrane, the small branched object labeled (A) is part of a

Accepted Answer

A)  steroid. 
B)  hydrophobic region. 
C)  membrane protein. 
D)  glycerophospholipid. 
E)  carbohydrate side chain. 
A)  steroid. 
B)  hydrophobic region. 
C)  membrane protein. 
D)  glycerophospholipid. 
E)  carbohydrate side chain.

Exam 17: Lipids

Lipids are compounds that are soluble in

Which of the following compounds is a glycerolphospholipid?

In the list below, which lipid type is most soluble in water?

For the question(s) that follow, identify the class of lipid to which each of the following molecules belongs. -

Answer the question(s) that follow about the diagram shown below. -A lecithin contains the following components:

Answer the question(s) that follow about the diagram shown below. -In this diagram of a cell membrane, the object labeled (D) is part of a

Most plant lipids are saturated lipids.

The most common type of gallstones is composed of almost pure

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

Which of the following fatty acids is a solid at room temperature?

Answer the question(s) that follow about the diagram shown below. -Which of the following is NOT a lipid?

Which of the following is NOT a function of glycerophospholipids?

Waxes are lipids derived from

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

Palmitic acid is an unsaturated fatty acid.

Answer the question(s) that follow about the diagram shown below. -In this diagram of a cell membrane, the object labeled (C) is a

Which of the following is a lipid?

A lipoprotein particle functions to

Bile salts are synthesized from __________.

Answer the question(s) that follow about the diagram shown below. -In this diagram of a cell membrane, the small branched object labeled (A) is part of a

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

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 .