Question 1

In the extraction of energy from fatty acids, which of the following provides the link between electron transport and the citric acid cycle?

Accepted Answer

A)  acetyl-CoA 
B)  fatty acyl-CoA 
C)  pyruvate 
D)  NADH and FADH2 
A)  acetyl-CoA 
B)  fatty acyl-CoA 
C)  pyruvate 
D)  NADH and FADH2

Question 2

All of the following are involved in oxidative phosphorylation except which one?

Accepted Answer

A)  O2 is reduced. 
B)  NADH is reduced. 
C)  ATP synthase regulates H+ migration. 
D)  With the mitochondrion a concentration gradient is established. 
E)  All of these are involved in oxidative phosphorylation. 
A)  O2 is reduced. 
B)  NADH is reduced. 
C)  ATP synthase regulates H+ migration. 
D)  With the mitochondrion a concentration gradient is established. 
E)  All of these are involved in oxidative phosphorylation.

Question 3

Lipids are

Accepted Answer

A)  compounds that do not dissolve in water. 
B)  organic compounds that do not dissolve in water. 
C)  organic compounds utilized by biological systems that do not dissolve in water. 
D)  Any of the above definitions are sufficient. 
A)  compounds that do not dissolve in water. 
B)  organic compounds that do not dissolve in water. 
C)  organic compounds utilized by biological systems that do not dissolve in water. 
D)  Any of the above definitions are sufficient.

Question 4

In the extraction of energy from fatty acids, which of the following provides the link between beta oxidation and the citric acid cycle?

Accepted Answer

A)  acetyl-CoA 
B)  fatty acyl-CoA 
C)  pyruvate 
D)  NADH and FADH2 
A)  acetyl-CoA 
B)  fatty acyl-CoA 
C)  pyruvate 
D)  NADH and FADH2

Question 5

If the mitochondrion oxides 8 molecules of NADH and 4 molecules of FADH2, what is the total number of molecules of ATP that the mitochondrion will make available to the cell?

Accepted Answer

Question 6

Cholesterol plays a role in regulating membrane flexibilty.

Accepted Answer

A) True 
 B)False

Question 7

The following is the net reaction for which catabolic pathway?

Accepted Answer

A)  glycolysis 
B)  electron transport 
C)  oxidative decarboxylation 
D)  oxidative phosphorylation 
E)  citric acid cycle 
A)  glycolysis 
B)  electron transport 
C)  oxidative decarboxylation 
D)  oxidative phosphorylation 
E)  citric acid cycle

Question 8

Consider the following diagram of a membrane.   In addition to the components represented here, which of the following might also be found in membrane?

Accepted Answer

A)  proteins 
B)  cholesterol 
C)  other types of phospholipids 
D)  All of these may be found in membranes. 
A)  proteins 
B)  cholesterol 
C)  other types of phospholipids 
D)  All of these may be found in membranes.

Question 9

Consider the complete oxidation of a saturated fatty acid with the formula shown below.   For each of the following questions enter the appropriate number (1,2,3,...) in the blank.
-For this fatty acid, from beta oxidation through the citric acid cycle and electron transport, ____molecules of ATP total are produced.

Accepted Answer

The answer of Consider the complete oxidation of a saturated...

Question 10

How many H+ must be moved across the inner mitochondrial membrane to produce 6 ATP?

Accepted Answer

A)  18 
B)  24 
C)  6 
D)  10 
A)  18 
B)  24 
C)  6 
D)  10

Question 11

Consider the complete oxidation of a saturated fatty acid with the formula shown below.   For each of the following questions enter the appropriate number (1,2,3,...) in the blank.
-During the beta oxidation of the acid, _____molecules of ATP are consumed.

Accepted Answer

The answer of Consider the complete oxidation of a saturated...

Question 12

Consider the following image.   Which of the following might the structure represent?

Accepted Answer

A)  fatty acid 
B)  triglyceride 
C)  fat 
D)  glycerophospholipid 
A)  fatty acid 
B)  triglyceride 
C)  fat 
D)  glycerophospholipid

Question 13

The oxidation of a polyunsaturated fatty acid produces more energy than the corresponding saturated fatty acid.

Accepted Answer

A) True 
 B)False

Question 14

Consider the complete oxidation of a saturated fatty acid with the formula shown below.   For each of the following questions enter the appropriate number (1,2,3,...) in the blank.
-The citric acid cycle will directly produce_____molecules of ATP for this fatty acid.

Accepted Answer

The answer of Consider the complete oxidation of a saturated...

Question 15

Which class of compounds is characterized by the following general structure?

Accepted Answer

A)  steroids 
B)  glycerophopholipids 
C)  lipids 
D)  triacylglycerols 
A)  steroids 
B)  glycerophopholipids 
C)  lipids 
D)  triacylglycerols

Question 16

Consider the complete oxidation of a saturated fatty acid with the formula shown below.   For each of the following questions enter the appropriate number (1,2,3,...) in the blank.
-The citric acid cycle will produce_____molecules of NADH for this fatty acid.

Accepted Answer

The answer of Consider the complete oxidation of a saturated...

Question 17

Which of the following cannot simply diffuse across a cell membrane without some kind of assistance?

Accepted Answer

A)  CO2 
B)  H2O 
C)  CH3CH2OH 
D)  Ca2+ 
E)  All require some type of assistance. 
A)  CO2 
B)  H2O 
C)  CH3CH2OH 
D)  Ca2+ 
E)  All require some type of assistance.

Question 18

Which of the following is not correct concerning the digestion of fats and triglycerides?

Accepted Answer

A)  Bile salts are necessary since the triglycerides are insoluble in water. 
B)  Lipases hydrolyze all of the ester bonds in a triglyceride. 
C)  Fatty acids formed on hydrolysis of triglycerides are neutralized by digestive juices. 
D)  Monoglycerides and fatty acid conjugate bases can pass through cell membranes. 
A)  Bile salts are necessary since the triglycerides are insoluble in water. 
B)  Lipases hydrolyze all of the ester bonds in a triglyceride. 
C)  Fatty acids formed on hydrolysis of triglycerides are neutralized by digestive juices. 
D)  Monoglycerides and fatty acid conjugate bases can pass through cell membranes.

Question 19

In terms of temperature regulation, human infants and hibernating bears both utilize brown fat.

Accepted Answer

A) True 
 B)False

In the extraction of energy from fatty acids, which of the following provides the link between electron transport and the citric acid cycle?

All of the following are involved in oxidative phosphorylation except which one?

Lipids are

In the extraction of energy from fatty acids, which of the following provides the link between beta oxidation and the citric acid cycle?

If the mitochondrion oxides 8 molecules of NADH and 4 molecules of FADH₂, what is the total number of molecules of ATP that the mitochondrion will make available to the cell?

Cholesterol plays a role in regulating membrane flexibilty.

The following is the net reaction for which catabolic pathway?

Consider the following diagram of a membrane. In addition to the components represented here, which of the following might also be found in membrane?

How many H⁺ must be moved across the inner mitochondrial membrane to produce 6 ATP?

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -During the beta oxidation of the acid, _____molecules of ATP are consumed.

Consider the following image. Which of the following might the structure represent?

The oxidation of a polyunsaturated fatty acid produces more energy than the corresponding saturated fatty acid.

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -The citric acid cycle will directly produce_____molecules of ATP for this fatty acid.

Which class of compounds is characterized by the following general structure?

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -The citric acid cycle will produce_____molecules of NADH for this fatty acid.

Which of the following cannot simply diffuse across a cell membrane without some kind of assistance?

Which of the following is not correct concerning the digestion of fats and triglycerides?

In terms of temperature regulation, human infants and hibernating bears both utilize brown fat.

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Exam 16: Lipids and Membranes

In the extraction of energy from fatty acids, which of the following provides the link between electron transport and the citric acid cycle?

All of the following are involved in oxidative phosphorylation except which one?

Lipids are

In the extraction of energy from fatty acids, which of the following provides the link between beta oxidation and the citric acid cycle?

If the mitochondrion oxides 8 molecules of NADH and 4 molecules of FADH2, what is the total number of molecules of ATP that the mitochondrion will make available to the cell?

Cholesterol plays a role in regulating membrane flexibilty.

The following is the net reaction for which catabolic pathway?

Consider the following diagram of a membrane. In addition to the components represented here, which of the following might also be found in membrane?

How many H+ must be moved across the inner mitochondrial membrane to produce 6 ATP?

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -During the beta oxidation of the acid, _____molecules of ATP are consumed.

Consider the following image. Which of the following might the structure represent?

The oxidation of a polyunsaturated fatty acid produces more energy than the corresponding saturated fatty acid.

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -The citric acid cycle will directly produce_____molecules of ATP for this fatty acid.

Which class of compounds is characterized by the following general structure?

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -The citric acid cycle will produce_____molecules of NADH for this fatty acid.

Which of the following cannot simply diffuse across a cell membrane without some kind of assistance?

Which of the following is not correct concerning the digestion of fats and triglycerides?

In terms of temperature regulation, human infants and hibernating bears both utilize brown fat.

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Nucleic Acids, Protein Synthesis, and Heredity

Filters

If the mitochondrion oxides 8 molecules of NADH and 4 molecules of FADH₂, what is the total number of molecules of ATP that the mitochondrion will make available to the cell?

How many H⁺ must be moved across the inner mitochondrial membrane to produce 6 ATP?