Question 1

Consider the following diagram of a membrane.   Which of the following might be the portion of the membrane represented by the letter A?

Accepted Answer

A)  choline 
B)  tristearin 
C)  oleic acid 
D)  glycerol 
A)  choline 
B)  tristearin 
C)  oleic acid 
D)  glycerol

Question 2

When calculating the nutritional value of the food, the following is often used as a rule of thumb in calculating the caloric value.

Accepted Answer

A)  ATP production is relatively constant per molecule for each type of fuel used. 
B)  ATP production is relatively constant per gram for each type of fuel used. 
C)  for amino acids and carbohydrates ATP production per gram is larger than per gram of fat. 
D)  for amino acids and carbohydrates ATP production per gram is smaller than per gram of fat. 
A)  ATP production is relatively constant per molecule for each type of fuel used. 
B)  ATP production is relatively constant per gram for each type of fuel used. 
C)  for amino acids and carbohydrates ATP production per gram is larger than per gram of fat. 
D)  for amino acids and carbohydrates ATP production per gram is smaller than per gram of fat.

Question 3

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 acetyl-CoA are produced.

Accepted Answer

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

Question 4

One of the products of the hydrolysis of a triglyceride in sulfuric acid is a carboxylic acid.

Accepted Answer

A) True 
 B)False

Question 5

The following triglyceride is to be completely hydrogenated.   How many molecules of hydrogen are added to the triglyceride?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5
F) 6 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5
F) 6

Question 6

Which of the following stores energy in the form of concentration gradients?

Accepted Answer

A)  oxidative phosphorylation 
B)  electron transport chain 
C)  ATP synthase 
D)  transport protein 
A)  oxidative phosphorylation 
B)  electron transport chain 
C)  ATP synthase 
D)  transport protein

Question 7

Consider the following diagram of a membrane.   Which of the following might be the portion of the membrane represented by the letter A?

Accepted Answer

A)  choline 
B)  tristearin 
C)  oleic acid 
D)  glycerol 
A)  choline 
B)  tristearin 
C)  oleic acid 
D)  glycerol

Question 8

Which of the following is not characteristic of the mitochondria?

Accepted Answer

A)  located in the cytosol 
B)  located centrally in the cell 
C)  contain ATP synthase 
D)  contain an intermembrane space 
A)  located in the cytosol 
B)  located centrally in the cell 
C)  contain ATP synthase 
D)  contain an intermembrane space

Question 9

How many moles of ATP will be formed when 100.0 g of palmitoleic acid is burned by your body? Palmitoleic acid (C16H30O2) produces 104.5 molecules of ATP per molecule of the acid.

Accepted Answer

A)  105 mol ATP 
B)  41.1 mol ATP 
C)  254 mol ATP 
D)  266 mol ATP 
A)  105 mol ATP 
B)  41.1 mol ATP 
C)  254 mol ATP 
D)  266 mol ATP

Question 10

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure.   Fill in the blanks with the appropriate letter (A, B, C, D, E).
-A triglyceride containing 3 molecules of ______________________ would have a higher melting point than

Accepted Answer

The answer of Examine the fatty acids given below. The...

Question 11

Draw the structure of a 14 carbon, monounsaturated, omega-3 fatty acid.

Accepted Answer

The answer of Draw the structure of a 14 carbon,...

Question 12

The concentration of Na+ outside a cell is 85 mEq/L and inside the cell is 22 mEq/L. Which of the following is correct is such a situation?

Accepted Answer

A)  There is a concentration gradient across the cell membrane. 
B)  Na+ can cross into the cell by active transport. 
C)  Na+ can diffuse out of the cell by passive transport. 
D)  A protein would be needed for Na+ to cross the cell membrane in either direction. 
E)  a and d
F) b and c
G) All of the above are true in this particular scenario. 
A)  There is a concentration gradient across the cell membrane. 
B)  Na+ can cross into the cell by active transport. 
C)  Na+ can diffuse out of the cell by passive transport. 
D)  A protein would be needed for Na+ to cross the cell membrane in either direction. 
E)  a and d
F) b and c
G) All of the above are true in this particular scenario.

Question 13

When one molecule of a unsaturated fat with a molecular formula of C56H107O6 is oxidized 373.5 molecules of ATP are produced. Calculate the ATP yield in moles ATP per 100 g of this fat.

Accepted Answer

42.62 mol

Question 14

Examine the diagram of a mitochondrion shown below.   Fill in the blanks with the appropriate letter (A, B, C, D).
-Location of the electron transport chain: ____________________

Accepted Answer

The answer of Examine the diagram of a mitochondrion shown...

Question 15

During the catabolism of a certain amino acid, 10 molecules of NADH and 4 molecules of FADH2 are produced. How many molecules of ATP can produced when the coenzymes are oxidized in the mitochondria?

Accepted Answer

A)  14 ATP 
B)  25 ATP 
C)  28 ATP 
D)  31 ATP 
A)  14 ATP 
B)  25 ATP 
C)  28 ATP 
D)  31 ATP

Question 16

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure.   Fill in the blanks with the appropriate letter (A, B, C, D, E).
-The omega-3 fatty acid is structure ____________________.

Accepted Answer

The answer of Examine the fatty acids given below. The...

Question 17

Examine the following structure.   All of the following characterize this structure except:

Accepted Answer

A)  classified as a glycerophospholipid 
B)  contains two different fatty acids 
C)  the right portion would be located on the interior of a cell membrane 
D)  formed using a molecule of ethanolamine 
A)  classified as a glycerophospholipid 
B)  contains two different fatty acids 
C)  the right portion would be located on the interior of a cell membrane 
D)  formed using a molecule of ethanolamine

Question 18

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure.   Fill in the blanks with the appropriate letter (A, B, C, D, E).
-The compound represented by structure _______________________ would have the lowest melting point.

Accepted Answer

The answer of Examine the fatty acids given below. The...

Question 19

What is the overall (net) yield of ATP when one molecule of stearic acid (C18H36O2) is oxidized to CO2?

Accepted Answer

A)  122 ATP 
B)  120 ATP 
C)  116 ATP 
D)  114 ATP 
A)  122 ATP 
B)  120 ATP 
C)  116 ATP 
D)  114 ATP

Question 20

The concentration of K+ is greater outside a cell than inside. The movement of this ion into the cell is an example of passive transport.

Accepted Answer

A) True 
 B)False

Consider the following diagram of a membrane. Which of the following might be the portion of the membrane represented by the letter A?

When calculating the nutritional value of the food, the following is often used as a rule of thumb in calculating the caloric value.

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 acetyl-CoA are produced.

One of the products of the hydrolysis of a triglyceride in sulfuric acid is a carboxylic acid.

The following triglyceride is to be completely hydrogenated. How many molecules of hydrogen are added to the triglyceride?

Which of the following stores energy in the form of concentration gradients?

Consider the following diagram of a membrane. Which of the following might be the portion of the membrane represented by the letter A?

Which of the following is not characteristic of the mitochondria?

How many moles of ATP will be formed when 100.0 g of palmitoleic acid is burned by your body? Palmitoleic acid (C₁₆H₃₀O₂) produces 104.5 molecules of ATP per molecule of the acid.

Draw the structure of a 14 carbon, monounsaturated, omega-3 fatty acid.

The concentration of Na⁺ outside a cell is 85 mEq/L and inside the cell is 22 mEq/L. Which of the following is correct is such a situation?

When one molecule of a unsaturated fat with a molecular formula of C₅₆H₁₀₇O₆ is oxidized 373.5 molecules of ATP are produced. Calculate the ATP yield in moles ATP per 100 g of this fat.

Examine the diagram of a mitochondrion shown below. Fill in the blanks with the appropriate letter (A, B, C, D). -Location of the electron transport chain: ____________________

During the catabolism of a certain amino acid, 10 molecules of NADH and 4 molecules of FADH₂ are produced. How many molecules of ATP can produced when the coenzymes are oxidized in the mitochondria?

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure. Fill in the blanks with the appropriate letter (A, B, C, D, E). -The omega-3 fatty acid is structure ____________________.

Examine the following structure. All of the following characterize this structure except:

What is the overall (net) yield of ATP when one molecule of stearic acid (C₁₈H₃₆O₂) is oxidized to CO₂?

The concentration of K⁺ is greater outside a cell than inside. The movement of this ion into the cell is an example of passive transport.

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Hydrocarbons: an Introduction to Organic Molecules

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Exam 16: Lipids and Membranes

Consider the following diagram of a membrane. Which of the following might be the portion of the membrane represented by the letter A?

When calculating the nutritional value of the food, the following is often used as a rule of thumb in calculating the caloric value.

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 acetyl-CoA are produced.

One of the products of the hydrolysis of a triglyceride in sulfuric acid is a carboxylic acid.

The following triglyceride is to be completely hydrogenated. How many molecules of hydrogen are added to the triglyceride?

Which of the following stores energy in the form of concentration gradients?

Consider the following diagram of a membrane. Which of the following might be the portion of the membrane represented by the letter A?

Which of the following is not characteristic of the mitochondria?

How many moles of ATP will be formed when 100.0 g of palmitoleic acid is burned by your body? Palmitoleic acid (C16H30O2) produces 104.5 molecules of ATP per molecule of the acid.

Draw the structure of a 14 carbon, monounsaturated, omega-3 fatty acid.

The concentration of Na+ outside a cell is 85 mEq/L and inside the cell is 22 mEq/L. Which of the following is correct is such a situation?

When one molecule of a unsaturated fat with a molecular formula of C56H107O6 is oxidized 373.5 molecules of ATP are produced. Calculate the ATP yield in moles ATP per 100 g of this fat.

Examine the diagram of a mitochondrion shown below. Fill in the blanks with the appropriate letter (A, B, C, D). -Location of the electron transport chain: ____________________

During the catabolism of a certain amino acid, 10 molecules of NADH and 4 molecules of FADH2 are produced. How many molecules of ATP can produced when the coenzymes are oxidized in the mitochondria?

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure. Fill in the blanks with the appropriate letter (A, B, C, D, E). -The omega-3 fatty acid is structure ____________________.

Examine the following structure. All of the following characterize this structure except:

What is the overall (net) yield of ATP when one molecule of stearic acid (C18H36O2) is oxidized to CO2?

The concentration of K+ is greater outside a cell than inside. The movement of this ion into the cell is an example of passive transport.

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

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Nucleic Acids, Protein Synthesis, and Heredity

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How many moles of ATP will be formed when 100.0 g of palmitoleic acid is burned by your body? Palmitoleic acid (C₁₆H₃₀O₂) produces 104.5 molecules of ATP per molecule of the acid.

The concentration of Na⁺ outside a cell is 85 mEq/L and inside the cell is 22 mEq/L. Which of the following is correct is such a situation?

When one molecule of a unsaturated fat with a molecular formula of C₅₆H₁₀₇O₆ is oxidized 373.5 molecules of ATP are produced. Calculate the ATP yield in moles ATP per 100 g of this fat.

During the catabolism of a certain amino acid, 10 molecules of NADH and 4 molecules of FADH₂ are produced. How many molecules of ATP can produced when the coenzymes are oxidized in the mitochondria?

What is the overall (net) yield of ATP when one molecule of stearic acid (C₁₈H₃₆O₂) is oxidized to CO₂?

The concentration of K⁺ is greater outside a cell than inside. The movement of this ion into the cell is an example of passive transport.