Question 1

Glycerophospholipids are components of cell membranes.

Accepted Answer

A) True 
 B)False

Question 2

The products of the acid catalyzed hydrolysis of a fat are ________.

Accepted Answer

A) the esters of fatty acids 
B) fatty acids and glycerol 
C) salts of fatty acids 
D) salts of fatty acids and glycerol 
E) glycerophospholipids 
A) the esters of fatty acids 
B) fatty acids and glycerol 
C) salts of fatty acids 
D) salts of fatty acids and glycerol 
E) glycerophospholipids

Question 3

The components in the following glycerophospholipid are ________.

Accepted Answer

A) sphingosine,palmitic acid,phosphate,and choline 
B) sphingosine,palmitic acid,phosphate,and serine 
C) glycerol,palmitic acid,phosphate,and ethanolamine 
D) glycerol,palmitic acid,phosphate,and galactose 
E) sphingosine,palmitic acid,phosphate,and ethanolamine 
A) sphingosine,palmitic acid,phosphate,and choline 
B) sphingosine,palmitic acid,phosphate,and serine 
C) glycerol,palmitic acid,phosphate,and ethanolamine 
D) glycerol,palmitic acid,phosphate,and galactose 
E) sphingosine,palmitic acid,phosphate,and ethanolamine

Question 4

Waxes do not contain fatty acids.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

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

Question 6

Linoleic acid is a polyunsaturated fatty acid.

Accepted Answer

A) True 
 B)False

Question 7

Hydrogenation of a double bond in a triacylglycerol requires a catalyst.

Accepted Answer

A) True 
 B)False

Question 8

Stearic acid is a saturated fatty acid.

Accepted Answer

A) True 
 B)False

Question 9

In a simple model of atherosclerosis and heart disease,the compound that forms plaques that adhere to the walls of the blood vessels is ________.

Accepted Answer

A) cholesterol 
B) carnauba wax 
C) stearic acid 
D) glycerol 
E) oleic acid 
A) cholesterol 
B) carnauba wax 
C) stearic acid 
D) glycerol 
E) oleic acid

Question 10

Answer the following question(s)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

Question 11

Steroids do not contain fatty acids.

Accepted Answer

A) True 
 B)False

Question 12

For the following question(s),identify the class of lipid to which each of the following molecules belongs.
-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 membrane protein 
C) fatty acid 
D) a steroid 
E) a prostaglandin 
A) a lipid bilayer. 
B) a membrane protein 
C) fatty acid 
D) a steroid 
E) a prostaglandin

Question 13

A polyunsaturated fatty acid contains more than one ________.

Accepted Answer

A) carboxyl group 
B) hydroxyl group 
C) carbonyl group 
D) long carbon chain 
E) carbon-carbon double bond 
A) carboxyl group 
B) hydroxyl group 
C) carbonyl group 
D) long carbon chain 
E) carbon-carbon double bond

Question 14

Cholesterol belongs to the ________ group of lipids.

Accepted Answer

A) glycerophospholipid 
B) steroid 
C) prostaglandin 
D) triacylglycerol 
E) wax 
A) glycerophospholipid 
B) steroid 
C) prostaglandin 
D) triacylglycerol 
E) wax

Question 15

Which of the following compounds is a glycerophospholipid?

Accepted Answer

A) jojoba wax 
B) estrogen 
C) lecithin 
D) triolein 
E) stearic acid 
A) jojoba wax 
B) estrogen 
C) lecithin 
D) triolein 
E) stearic acid

Question 16

Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?

Accepted Answer

A) glycerol 
B) LDL 
C) HDL 
D) VLDL 
E) chylomicron 
A) glycerol 
B) LDL 
C) HDL 
D) VLDL 
E) chylomicron

Question 17

Estrogens are female sex hormones.

Accepted Answer

A) True 
 B)False

Question 18

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

Accepted Answer

A) they have fewer hydrogen atoms 
B) they have more hydrogen atoms 
C) their molecules fit closely together 
D) the cis double bonds give them an irregular shape 
E) the trans double bonds give them an irregular shape 
A) they have fewer hydrogen atoms 
B) they have more hydrogen atoms 
C) their molecules fit closely together 
D) the cis double bonds give them an irregular shape 
E) the trans double bonds give them an irregular shape

Question 19

Sphingomyelin contains glycerol.

Accepted Answer

A) True 
 B)False

Question 20

For the following question(s),identify the class of lipid to which each of the following molecules belongs.
-The type of lipid that gives a cell membrane its structure is a ________.

Accepted Answer

A) triacylglycerol 
B) glycerophospholipid 
C) prostaglandin 
D) fatty acid 
E) wax 
A) triacylglycerol 
B) glycerophospholipid 
C) prostaglandin 
D) fatty acid 
E) wax

Glycerophospholipids are components of cell membranes.

The products of the acid catalyzed hydrolysis of a fat are ________.

The components in the following glycerophospholipid are ________.

Waxes do not contain fatty acids.

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

Linoleic acid is a polyunsaturated fatty acid.

Hydrogenation of a double bond in a triacylglycerol requires a catalyst.

Stearic acid is a saturated fatty acid.

In a simple model of atherosclerosis and heart disease,the compound that forms plaques that adhere to the walls of the blood vessels is ________.

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

Steroids do not contain fatty acids.

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -According to the fluid-mosaic model of a cell membrane,the main component of a membrane is ________.

A polyunsaturated fatty acid contains more than one ________.

Cholesterol belongs to the ________ group of lipids.

Which of the following compounds is a glycerophospholipid?

Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?

Estrogens are female sex hormones.

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

Sphingomyelin contains glycerol.

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -The type of lipid that gives a cell membrane its structure is a ________.

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Exam 15: Lipids

Glycerophospholipids are components of cell membranes.

The products of the acid catalyzed hydrolysis of a fat are ________.

The components in the following glycerophospholipid are ________.

Waxes do not contain fatty acids.

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

Linoleic acid is a polyunsaturated fatty acid.

Hydrogenation of a double bond in a triacylglycerol requires a catalyst.

Stearic acid is a saturated fatty acid.

In a simple model of atherosclerosis and heart disease,the compound that forms plaques that adhere to the walls of the blood vessels is ________.

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

Steroids do not contain fatty acids.

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -According to the fluid-mosaic model of a cell membrane,the main component of a membrane is ________.

A polyunsaturated fatty acid contains more than one ________.

Cholesterol belongs to the ________ group of lipids.

Which of the following compounds is a glycerophospholipid?

Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?

Estrogens are female sex hormones.

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

Sphingomyelin contains glycerol.

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -The type of lipid that gives a cell membrane its structure is a ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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