Question 1

Which of the following type of molecule is not a lipid?

Accepted Answer

A)  amino acid 
B)  triglyceride 
C)  phospholipid 
D)  steroid 
E)  eicosanoid 
A)  amino acid 
B)  triglyceride 
C)  phospholipid 
D)  steroid 
E)  eicosanoid A

Question 2

The melting point of a fatty acid is determined by _________in the fatty acid.

Accepted Answer

A)  the number of hydrogen bonding functional groups 
B)  the number of double bonds 
C)  the number of carbons 
D)  both the number of carbons and the number of double bonds 
E)  the number of reactive functional groups 
A)  the number of hydrogen bonding functional groups 
B)  the number of double bonds 
C)  the number of carbons 
D)  both the number of carbons and the number of double bonds 
E)  the number of reactive functional groups D

Question 3

Which of the following choices best describes the structure and function of a chylomicron, illustrated below?

Accepted Answer

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

Question 4

Why do unsaturated fatty acids have lower melting points than saturated fatty acids?

Accepted Answer

A)  Unsaturated fatty acids stack better than saturated fatty acids. 
B)  Saturated fatty acids stack better than unsaturated fatty acids. 
C)  Unsaturated fatty acids are larger than saturated fatty acids. 
D)  Saturated fatty acids are larger than unsaturated fatty acids. 
E)  Unsaturated fatty acids are more flexible than saturated fatty acids. 
A)  Unsaturated fatty acids stack better than saturated fatty acids. 
B)  Saturated fatty acids stack better than unsaturated fatty acids. 
C)  Unsaturated fatty acids are larger than saturated fatty acids. 
D)  Saturated fatty acids are larger than unsaturated fatty acids. 
E)  Unsaturated fatty acids are more flexible than saturated fatty acids.

Question 5

An anabolic steroid functions by

Accepted Answer

A)  binding to the testosterone receptor. 
B)  initiating a biochemical pathway. 
C)  producing proteins. 
D)  making new muscles. 
E)  All of the above 
A)  binding to the testosterone receptor. 
B)  initiating a biochemical pathway. 
C)  producing proteins. 
D)  making new muscles. 
E)  All of the above

Question 6

Which of the following types of lipids are derived from fatty acids and are involved in the body's inflammatory response?

Accepted Answer

A)  triglyceride 
B)  phospholipid 
C)  glycolipid 
D)  steroid 
E)  eicosanoid 
A)  triglyceride 
B)  phospholipid 
C)  glycolipid 
D)  steroid 
E)  eicosanoid

Question 7

Generally, membrane lipids

Accepted Answer

A)  contain a hydroxyl group. 
B)  contain more than one ester functional group. 
C)  have a sphingosine backbone. 
D)  have a glycerol backbone. 
E)  have a nonpolar and a polar region. 
A)  contain a hydroxyl group. 
B)  contain more than one ester functional group. 
C)  have a sphingosine backbone. 
D)  have a glycerol backbone. 
E)  have a nonpolar and a polar region.

Question 8

Which of the following is not a steroid?

Accepted Answer

A)  insulin 
B)  androgens 
C)  estrogens 
D)  cholesterol 
E)  testosterone 
A)  insulin 
B)  androgens 
C)  estrogens 
D)  cholesterol 
E)  testosterone

Question 9

Which of the following statements about cholesterol is NOT true?

Accepted Answer

A)  It is used to synthesize steroid hormones. 
B)  It is a precursor for bile acids. 
C)  It adds rigidity to cell membranes. 
D)  It is a precursor of prostaglandins. 
E)  It is an amphipathic molecule. 
A)  It is used to synthesize steroid hormones. 
B)  It is a precursor for bile acids. 
C)  It adds rigidity to cell membranes. 
D)  It is a precursor of prostaglandins. 
E)  It is an amphipathic molecule.

Question 10

Degradation of dietary fats begins in the

Accepted Answer

A)  mouth. 
B)  stomach. 
C)  small intestine. 
D)  colon. 
E)  liver. 
A)  mouth. 
B)  stomach. 
C)  small intestine. 
D)  colon. 
E)  liver.

Question 11

The type of molecules that make up the majority of the cell membrane are

Accepted Answer

A)  phospholipids. 
B)  steroids. 
C)  transmembrane proteins. 
D)  carbohydrates. 
E)  cholesterol. 
A)  phospholipids. 
B)  steroids. 
C)  transmembrane proteins. 
D)  carbohydrates. 
E)  cholesterol.

Question 12

Which biomolecules provide the most energy per gram?

Accepted Answer

A)  proteins 
B)  carbohydrates 
C)  triglycerides 
D)  Protein and carbohydrates provide more energy than triglycerides. 
E)  Proteins, carbohydrates and triglycerides provide the same amount of energy. 
A)  proteins 
B)  carbohydrates 
C)  triglycerides 
D)  Protein and carbohydrates provide more energy than triglycerides. 
E)  Proteins, carbohydrates and triglycerides provide the same amount of energy.

Question 13

Cholesterol is shown below, on the left. To the right are two derivatives of cholesterol: cholic acid and vitamin D3. Which of the statements below best describe how cholesterol must be modified to become cholic acid and vitamin D3?

Accepted Answer

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

Question 14

Which of the fatty acids shown below are saturated?

Accepted Answer

A)  stearic acid 
B)  stearic acid and palmitic acid 
C)  oleic acid, linoleic acid, and arachidonic acid 
D)  arachidonic acid 
E)  All of these are saturated. 
A)  stearic acid 
B)  stearic acid and palmitic acid 
C)  oleic acid, linoleic acid, and arachidonic acid 
D)  arachidonic acid 
E)  All of these are saturated.

Question 15

Which of the following choices correctly numbers linolenic acid (shown below) using the omega system?

Accepted Answer

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

Question 16

Which of the following choices correctly numbers pinolenic acid (shown below) using the omega system?

Accepted Answer

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

Question 17

These steroid hormones control the menstrual cycle.

Accepted Answer

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

Question 18

In which of the following choices are the three molecules below correctly identified as polar, nonpolar or amphipathic?

Accepted Answer

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

Question 19

Both of these lipids are found in

Accepted Answer

A)  cell membranes. 
B)  mitochondria. 
C)  proteins. 
D)  steroids. 
E)  soap. 
A)  cell membranes. 
B)  mitochondria. 
C)  proteins. 
D)  steroids. 
E)  soap.

Question 20

In the following illustration of a cell membrane, the molecule that acts as a receptor, communicating with molecules such as steroids, is represented by the letter

Accepted Answer

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

Which of the following type of molecule is not a lipid?

The melting point of a fatty acid is determined by _________in the fatty acid.

Which of the following choices best describes the structure and function of a chylomicron, illustrated below?

Why do unsaturated fatty acids have lower melting points than saturated fatty acids?

An anabolic steroid functions by

Which of the following types of lipids are derived from fatty acids and are involved in the body's inflammatory response?

Generally, membrane lipids

Which of the following is not a steroid?

Which of the following statements about cholesterol is NOT true?

Degradation of dietary fats begins in the

The type of molecules that make up the majority of the cell membrane are

Which biomolecules provide the most energy per gram?

Cholesterol is shown below, on the left. To the right are two derivatives of cholesterol: cholic acid and vitamin D₃. Which of the statements below best describe how cholesterol must be modified to become cholic acid and vitamin D₃?

Which of the fatty acids shown below are saturated?

Which of the following choices correctly numbers linolenic acid (shown below) using the omega system?

Which of the following choices correctly numbers pinolenic acid (shown below) using the omega system?

These steroid hormones control the menstrual cycle.

In which of the following choices are the three molecules below correctly identified as polar, nonpolar or amphipathic?

Both of these lipids are found in

In the following illustration of a cell membrane, the molecule that acts as a receptor, communicating with molecules such as steroids, is represented by the letter

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 type of molecule is not a lipid?

The melting point of a fatty acid is determined by _________in the fatty acid.

Which of the following choices best describes the structure and function of a chylomicron, illustrated below?

Why do unsaturated fatty acids have lower melting points than saturated fatty acids?

An anabolic steroid functions by

Which of the following types of lipids are derived from fatty acids and are involved in the body's inflammatory response?

Generally, membrane lipids

Which of the following is not a steroid?

Which of the following statements about cholesterol is NOT true?

Degradation of dietary fats begins in the

The type of molecules that make up the majority of the cell membrane are

Which biomolecules provide the most energy per gram?

Cholesterol is shown below, on the left. To the right are two derivatives of cholesterol: cholic acid and vitamin D3. Which of the statements below best describe how cholesterol must be modified to become cholic acid and vitamin D3?

Which of the fatty acids shown below are saturated?

Which of the following choices correctly numbers linolenic acid (shown below) using the omega system?

Which of the following choices correctly numbers pinolenic acid (shown below) using the omega system?

These steroid hormones control the menstrual cycle.

In which of the following choices are the three molecules below correctly identified as polar, nonpolar or amphipathic?

Both of these lipids are found in

In the following illustration of a cell membrane, the molecule that acts as a receptor, communicating with molecules such as steroids, is represented by the letter

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

Cholesterol is shown below, on the left. To the right are two derivatives of cholesterol: cholic acid and vitamin D₃. Which of the statements below best describe how cholesterol must be modified to become cholic acid and vitamin D₃?