Question 1

Bile salts are involved in which of the following?

Accepted Answer

A)  digestion 
B)  excretion 
C)  both a and b 
D)  neither a nor b 
A)  digestion 
B)  excretion 
C)  both a and b 
D)  neither a nor b

Question 2

Which of the following is true about the energy storage capabilities of lipids as compared with that of carbohydrates?

Accepted Answer

A)  Burning both lipids and carbohydrates produce about 4 kcal/g. 
B)  Burning both lipids and carbohydrates produce about 9 kcal/g. 
C)  Burning carbohydrates produces about 4 kcal/g, but burning lipids produces about 9 kcal/g. 
D)  Burning carbohydrates produces about 9 kcal/g, but burning lipids produces only about 4 kcal/g. 
A)  Burning both lipids and carbohydrates produce about 4 kcal/g. 
B)  Burning both lipids and carbohydrates produce about 9 kcal/g. 
C)  Burning carbohydrates produces about 4 kcal/g, but burning lipids produces about 9 kcal/g. 
D)  Burning carbohydrates produces about 9 kcal/g, but burning lipids produces only about 4 kcal/g.

Question 3

Which of the following, not found in cholesterol, is present in bile salts?

Accepted Answer

A)  a hydroxyl group at C-3 
B)  a double bond between carbon-4 and carbon-5 
C)  an amide linkage 
D)  none of the above 
A)  a hydroxyl group at C-3 
B)  a double bond between carbon-4 and carbon-5 
C)  an amide linkage 
D)  none of the above

Question 4

Which of the following is(are) associated with a build up of leukotrienes?

Accepted Answer

A)  asthma-like attacks 
B)  fever 
C)  inflammation 
D)  all of these 
A)  asthma-like attacks 
B)  fever 
C)  inflammation 
D)  all of these

Question 5

Waxes belong to which class of compounds?

Accepted Answer

A)  alcohols 
B)  carboxylic acids 
C)  esters 
D)  ethers 
A)  alcohols 
B)  carboxylic acids 
C)  esters 
D)  ethers

Question 6

Which of the following linkages can be found in cerebrosides?

Accepted Answer

A)  α-galactosidic 
B)  α-glucosidic 
C)  both a and b 
D)  neither a nor b 
A)  α-galactosidic 
B)  α-glucosidic 
C)  both a and b 
D)  neither a nor b

Question 7

Which of the following transports cholesterol to the liver?

Accepted Answer

A)  chylomicrons 
B)  HDL 
C)  LDL 
D)  VLDL 
A)  chylomicrons 
B)  HDL 
C)  LDL 
D)  VLDL

Question 8

Examine the following structure.  
-Which number in the diagram represents the glycerol backbone of this structure?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 9

Which of the following is found in thromboxanes?

Accepted Answer

A)  a β-lactam 
B)  a cyclic acetal 
C)  a cyclic ether 
D)  none of these 
A)  a β-lactam 
B)  a cyclic acetal 
C)  a cyclic ether 
D)  none of these

Question 10

Which of the following is true of the unsaturated fatty acids found in triglycerides?

Accepted Answer

A)  The double bond generally has the cis configuration. 
B)  The double bond generally has the trans configuration. 
C)  There are approximately equal number of cis and trans arrangements. 
D)  They always contain more than one double bond. 
A)  The double bond generally has the cis configuration. 
B)  The double bond generally has the trans configuration. 
C)  There are approximately equal number of cis and trans arrangements. 
D)  They always contain more than one double bond.

Question 11

Examine the following structure.  
-Examine the following ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the name of the element.   When this compound is converted to progesterone, at which position is a ketone formed?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  In this conversion a ketone is not formed. 
A)  1 
B)  2 
C)  3 
D)  4 
E)  In this conversion a ketone is not formed.

Question 12

The anti-clotting properties of aspirin are not affected by which of the following?

Accepted Answer

A)  acetaminophen 
B)  ibuprofen 
C)  indomethacin 
D)  all of them 
A)  acetaminophen 
B)  ibuprofen 
C)  indomethacin 
D)  all of them

Question 13

How many carbon-carbon double bonds are present in arachidonic acid?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 14

What type of bond connects the fatty acid to sphingosine in sphingolipids?

Accepted Answer

A)  amide 
B)  ester 
C)  ether 
D)  none of these 
A)  amide 
B)  ester 
C)  ether 
D)  none of these

Question 15

Which of the following is the polar portion of a sphingolipid?

Accepted Answer

A)  phosphorylcholine 
B)  phosphorylethanolamine 
C)  phosphorylinositol 
D)  phosphorylserine 
A)  phosphorylcholine 
B)  phosphorylethanolamine 
C)  phosphorylinositol 
D)  phosphorylserine

Question 16

Examine the following structure.   If this substance was subjected to hydrogenation, how many moles of H2 would be consumed per mole of this reactant?

Accepted Answer

A)  1 mol 
B)  2 mol 
C)  3 mol 
D)  4 mol 
E)  This substance will not react with H2. 
A)  1 mol 
B)  2 mol 
C)  3 mol 
D)  4 mol 
E)  This substance will not react with H2.

Question 17

What structural feature is associated with the prostaglandin F (PGF) group?

Accepted Answer

A)  a carbonyl at carbon-9 
B)  a carboxylate at carbon-9 
C)  hydroxyl groups at carbon-9 and carbon-11 
D)  none of the above 
A)  a carbonyl at carbon-9 
B)  a carboxylate at carbon-9 
C)  hydroxyl groups at carbon-9 and carbon-11 
D)  none of the above

Question 18

Which of the following is generally called "bad cholesterol"?

Accepted Answer

A)  chylomicrons 
B)  HDL 
C)  LDL 
D)  VLDL 
A)  chylomicrons 
B)  HDL 
C)  LDL 
D)  VLDL

Question 19

Which of the following are glycolipids?

Accepted Answer

A)  cerebrosides 
B)  gangliosides 
C)  both a and b 
D)  neither a nor b 
A)  cerebrosides 
B)  gangliosides 
C)  both a and b 
D)  neither a nor b

Question 20

Triglycerides belong to which class of compounds?

Accepted Answer

A)  alcohols 
B)  carboxylic acids 
C)  esters 
D)  ethers 
A)  alcohols 
B)  carboxylic acids 
C)  esters 
D)  ethers

Exam 21: Lipids

Bile salts are involved in which of the following?

Which of the following is true about the energy storage capabilities of lipids as compared with that of carbohydrates?

Which of the following, not found in cholesterol, is present in bile salts?

Which of the following is(are) associated with a build up of leukotrienes?

Waxes belong to which class of compounds?

Which of the following linkages can be found in cerebrosides?

Which of the following transports cholesterol to the liver?

Examine the following structure. -Which number in the diagram represents the glycerol backbone of this structure?

Which of the following is found in thromboxanes?

Which of the following is true of the unsaturated fatty acids found in triglycerides?

Examine the following structure. -Examine the following ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the name of the element. When this compound is converted to progesterone, at which position is a ketone formed?

The anti-clotting properties of aspirin are not affected by which of the following?

How many carbon-carbon double bonds are present in arachidonic acid?

What type of bond connects the fatty acid to sphingosine in sphingolipids?

Which of the following is the polar portion of a sphingolipid?

Examine the following structure. If this substance was subjected to hydrogenation, how many moles of H2 would be consumed per mole of this reactant?

What structural feature is associated with the prostaglandin F (PGF) group?

Which of the following is generally called "bad cholesterol"?

Which of the following are glycolipids?

Triglycerides belong to which class of compounds?

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Examine the following structure. If this substance was subjected to hydrogenation, how many moles of H₂ would be consumed per mole of this reactant?