Question 1

Which of the following fatty acids is an essential fatty acid?

Accepted Answer

A)  stearic acid 
B)  palmitic acid 
C)  oleic acid 
D)  arachidonic acid 
E)  linoleic acid 
A)  stearic acid 
B)  palmitic acid 
C)  oleic acid 
D)  arachidonic acid 
E)  linoleic acid

Question 2

The portion of the molecule that is boxed is called

Accepted Answer

A)  the amino acid backbone. 
B)  the glycerol backbone. 
C)  the phosphate backbone. 
D)  a saturated fatty acid. 
E)  an unsaturated fatty acid. 
A)  the amino acid backbone. 
B)  the glycerol backbone. 
C)  the phosphate backbone. 
D)  a saturated fatty acid. 
E)  an unsaturated fatty acid.

Question 3

Which of the following is NOT a side effect of anabolic steroid use?

Accepted Answer

A)  infertility 
B)  testicular atrophy 
C)  cardiovascular disease 
D)  prostate cancer 
E)  excessive growth in teenagers 
A)  infertility 
B)  testicular atrophy 
C)  cardiovascular disease 
D)  prostate cancer 
E)  excessive growth in teenagers

Question 4

Triglycerides are insoluble in water because they

Accepted Answer

A)  have extensive nonpolar hydrocarbon structures. 
B)  have polar carbonyl functional groups. 
C)  can hydrogen bond with water. 
D)  are esters. 
E)  are carboxylic acids. 
A)  have extensive nonpolar hydrocarbon structures. 
B)  have polar carbonyl functional groups. 
C)  can hydrogen bond with water. 
D)  are esters. 
E)  are carboxylic acids.

Question 5

Which parts of the body are NOT involved in the transport and digestion of triglycerides?

Accepted Answer

A)  the mouth 
B)  the small intestine 
C)  muscle cells 
D)  chylomicrons 
E)  the intestinal mucosa 
A)  the mouth 
B)  the small intestine 
C)  muscle cells 
D)  chylomicrons 
E)  the intestinal mucosa

Question 6

The role of hormones in the body is to

Accepted Answer

A)  regulate body temperature. 
B)  serve as a chemical messenger. 
C)  store energy. 
D)  catalyze chemical reactions. 
E)  transport key molecules. 
A)  regulate body temperature. 
B)  serve as a chemical messenger. 
C)  store energy. 
D)  catalyze chemical reactions. 
E)  transport key molecules.

Question 7

Which of the following statements does NOT describe vitamin D3?

Accepted Answer

A)  It is fat soluble. 
B)  It is produced in the skin from cholesterol. 
C)  Sunlight is required to produce it. 
D)  It regulates calcium uptake. 
E)  Actually, all of these choices are true. 
A)  It is fat soluble. 
B)  It is produced in the skin from cholesterol. 
C)  Sunlight is required to produce it. 
D)  It regulates calcium uptake. 
E)  Actually, all of these choices are true.

Question 8

An adipocyte stores

Accepted Answer

A)  proteins. 
B)  triglycerides. 
C)  white blood cells. 
D)  red blood cells. 
E)  carbohydrates. 
A)  proteins. 
B)  triglycerides. 
C)  white blood cells. 
D)  red blood cells. 
E)  carbohydrates.

Question 9

Triglycerides are not soluble in water and so cannot be transported through the blood without help. How are fats transported?

Accepted Answer

A)  in lipoproteins 
B)  in starch 
C)  alongside hormones 
D)  through protein channels 
E)  They are not transported. 
A)  in lipoproteins 
B)  in starch 
C)  alongside hormones 
D)  through protein channels 
E)  They are not transported.

Question 10

The body uses _________ for short-term energy storage and _______ for longer- term energy needs.

Accepted Answer

A)  triglycerides; ATP 
B)  ATP; triglycerides 
C)  glycogen; triglycerides 
D)  ATP; glycogen 
E)  glycogen; ATP 
A)  triglycerides; ATP 
B)  ATP; triglycerides 
C)  glycogen; triglycerides 
D)  ATP; glycogen 
E)  glycogen; ATP

Question 11

These hormones regulate ion balances in tissues.

Accepted Answer

A)  glucocorticoids 
B)  mineralocorticoids 
C)  progestins 
D)  androgens 
E)  estrogens 
A)  glucocorticoids 
B)  mineralocorticoids 
C)  progestins 
D)  androgens 
E)  estrogens

Question 12

Which of the following type of triglyceride is the healthiest to eat?

Accepted Answer

A)  monounsaturated 
B)  polyunsaturated 
C)  saturated 
D)  trans fats 
E)  All fats should be eliminated from the diet. 
A)  monounsaturated 
B)  polyunsaturated 
C)  saturated 
D)  trans fats 
E)  All fats should be eliminated from the diet.

Question 13

Which of the following molecules is an eicosanoid?

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 14

The bar graph below shows the percentage of saturated fats in a variety of triglycerides. Given this information, which triglycerides should be minimized in the diet?

Accepted Answer

A)  canola oil 
B)  butter 
C)  canola oil, olive oil, and margarine 
D)  margarine 
E)  palm oil and butter 
A)  canola oil 
B)  butter 
C)  canola oil, olive oil, and margarine 
D)  margarine 
E)  palm oil and butter

Question 15

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

Accepted Answer

A)  lipid. 
B)  oil. 
C)  eicosanoid. 
D)  steroid. 
E)  fat. 
A)  lipid. 
B)  oil. 
C)  eicosanoid. 
D)  steroid. 
E)  fat.

Question 16

Lipid II contains which of the following functional groups not found in lipid I?

Accepted Answer

A)  amide 
B)  alcohol 
C)  alkene 
D)  amide and alcohol 
E)  amide, alcohol, and alkene 
A)  amide 
B)  alcohol 
C)  alkene 
D)  amide and alcohol 
E)  amide, alcohol, and alkene

Question 17

In the following illustration of a cell membrane, the molecules labeled (E) are

Accepted Answer

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

Question 18

How does a double bond in a fatty acid change the overall structure of the fatty acid?

Accepted Answer

A)  The overall structure does not change. 
B)  The more double bonds a fatty acid has, the more linear it is. 
C)  The more double bonds a fatty acid has, the more flexible it is. 
D)  The more double bonds a fatty acid has, the more bent or kinked it is. 
E)  The more double bonds a fatty acid has, the more twisted it is. 
A)  The overall structure does not change. 
B)  The more double bonds a fatty acid has, the more linear it is. 
C)  The more double bonds a fatty acid has, the more flexible it is. 
D)  The more double bonds a fatty acid has, the more bent or kinked it is. 
E)  The more double bonds a fatty acid has, the more twisted it is.

Question 19

Which type of lipid is the main component of cell membranes?

Accepted Answer

A)  triglyceride 
B)  phospholipid 
C)  glycolipid 
D)  phospholipids and glycolipids 
E)  triglycerides and eicosanoid 
A)  triglyceride 
B)  phospholipid 
C)  glycolipid 
D)  phospholipids and glycolipids 
E)  triglycerides and eicosanoid

Question 20

Diets high in saturated and trans fat have been linked to

Accepted Answer

A)  heart disease. 
B)  diabetes. 
C)  cancer. 
D)  obesity. 
E)  All of the above 
A)  heart disease. 
B)  diabetes. 
C)  cancer. 
D)  obesity. 
E)  All of the above

Which of the following fatty acids is an essential fatty acid?

The portion of the molecule that is boxed is called

Which of the following is NOT a side effect of anabolic steroid use?

Triglycerides are insoluble in water because they

Which parts of the body are NOT involved in the transport and digestion of triglycerides?

The role of hormones in the body is to

Which of the following statements does NOT describe vitamin D₃?

An adipocyte stores

Triglycerides are not soluble in water and so cannot be transported through the blood without help. How are fats transported?

The body uses ___ for short-term energy storage and _ for longer- term energy needs.

These hormones regulate ion balances in tissues.

Which of the following type of triglyceride is the healthiest to eat?

Which of the following molecules is an eicosanoid?

The bar graph below shows the percentage of saturated fats in a variety of triglycerides. Given this information, which triglycerides should be minimized in the diet?

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

Lipid II contains which of the following functional groups not found in lipid I?

In the following illustration of a cell membrane, the molecules labeled (E) are

How does a double bond in a fatty acid change the overall structure of the fatty acid?

Which type of lipid is the main component of cell membranes?

Diets high in saturated and trans fat have been linked to

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 12: Lipids: Structure and Function

Which of the following fatty acids is an essential fatty acid?

The portion of the molecule that is boxed is called

Which of the following is NOT a side effect of anabolic steroid use?

Triglycerides are insoluble in water because they

Which parts of the body are NOT involved in the transport and digestion of triglycerides?

The role of hormones in the body is to

Which of the following statements does NOT describe vitamin D3?

An adipocyte stores

Triglycerides are not soluble in water and so cannot be transported through the blood without help. How are fats transported?

The body uses _________ for short-term energy storage and _______ for longer- term energy needs.

These hormones regulate ion balances in tissues.

Which of the following type of triglyceride is the healthiest to eat?

Which of the following molecules is an eicosanoid?

The bar graph below shows the percentage of saturated fats in a variety of triglycerides. Given this information, which triglycerides should be minimized in the diet?

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

Lipid II contains which of the following functional groups not found in lipid I?

In the following illustration of a cell membrane, the molecules labeled (E) are

How does a double bond in a fatty acid change the overall structure of the fatty acid?

Which type of lipid is the main component of cell membranes?

Diets high in saturated and trans fat have been linked to

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Which of the following statements does NOT describe vitamin D₃?

The body uses ___ for short-term energy storage and _ for longer- term energy needs.