Question 1

Each molecule of NADH produced in the mitochondria provides the energy for two ATP molecules.

Accepted Answer

A) True 
 B)False

Question 2

Why would an organism utilize alcohol fermentation if it is wasteful of the energy in food molecules and poses a threat of death due to high levels of toxic alcohol?

Accepted Answer

A)  The organism can survive short spells of anaerobic conditions and maintain growth and reproduction.
B)  If glucose levels are not high,there may be time to disperse the alcohol "waste."
C)  Fermentation can provide a rapid burst of ATP since it does not have to go through the full breakdown cycle.
D)  All of the choices are advantages.
E)  None of the choices is an advantage; anaerobes only survive where aerobes cannot.F) A) and D)
G) A) and E)

Question 3

Identify 'd' as the _____

Accepted Answer

A)  inner membrane
B)  matrix
C)  cristae
D)  intermembrane space
E)  outer membraneF) A) and C)
G) A) and B)

Question 4

Acetyl-CoA is produced from

Accepted Answer

A)  pyruvate and a coenzyme.
B)  citric acid and a coenzyme.
C)  ATP and pyruvate.
D)  CO2 and pyruvate.
E)  citric acid and CO2.F) B) and E)
G) A) and B)

Question 5

Glycolysis produces 1 pyruvate and 3 NADH coenzymes.

Accepted Answer

A) True 
 B)False

Question 6

Compared with other cell components (organelles,cell membrane or nucleus) ,the mitochondria would be the only one that would

Accepted Answer

A)  form an electrochemical gradient across a membrane.
B)  use significant amounts of oxygen to produce ATP.
C)  use a chemiosmotic complex to produce ATP.
D)  produce ATP via glycolysis.
E)  release protons (H+) .F) B) and C)
G) B) and E)

Question 7

Aerobic cellular respiration yields about ____ of the energy of glucose in ATP molecules.

Accepted Answer

A)  2%
B)  15%
C)  28%
D)  39%E) A) and B)
F) All of the above

Question 8

The carbon dioxide we exhale is produced in

Accepted Answer

A)  glycolysis.
B)  the electron transport system.
C)  lactate fermentation.
D)  the citric acid cycle.E) B) and C)
F) A) and D)

Question 9

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Accepted Answer

A)  6 & 6
B)  6 & 3
C)  3 & 6
D)  12 & 6
E)  oxaloacetateF) B) and D)
G) D) and E)

Question 10

Chloroplast are capable of running photosynthesis which is the most abundant form of anabolic metabolism in life.

Accepted Answer

A) True 
 B)False

Question 11

One turn of the citric acid cycle produces

Accepted Answer

A)  2 NADH,FADH2,2 ATP.
B)  3 NADH,1 FADH2,1 ATP.
C)  1 NADH,3 FADH2,2 ATP.
D)  3 NADH,2 FADH2,1 ATP.
E)  3 NADH,1 FADH2,2 ATP.F) C) and D)
G) A) and B)

Question 12

h  Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to match the substrates with the corresponding pathway.

Accepted Answer

A)  A is glycerol; B is amino acids; C is glucose; D is fatty acids
B)  A is glucose; B is fatty acids; C is glycerol; D is amino acids
C)  A is amino acids; B is fatty acids; C is glucose; D is glycerol
D)  A is amino acids; B is glucose; C is glycerol; D is fatty acidsE) A) and B)
F) All of the above

Question 13

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Accepted Answer

A)  6 & 6
B)  6 & 3
C)  3 & 6
D)  12 & 6
E)  oxaloacetateF) A) and D)
G) A) and E)

Question 14

Which of these processes occurs in the cytosol?

Accepted Answer

A)  the citric acid cycle
B)  glycolysis
C)  the electron transport system
D)  the preparatory reactionE) C) and D)
F) A) and B)

Question 15

The preparatory reaction breaks

Accepted Answer

A)  glucose into pyruvates.
B)  pyruvates into glucose.
C)  pyruvates into acetyl-CoA and carbon dioxide.
D)  pyruvates into acetyl-CoA and water.
E)  acetyl CoA into pyruvates and carbon dioxide.F) A) and B)
G) A) and C)

Question 16

Glycolysis will yield a net of 2 ATP only during aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 17

h  Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to place the items in proper order.

Accepted Answer

A)  A is Electron transport chain; B is Pyruvate; C is Citric acid cycle
B)  A is Citric acid cycle; B is Electron transport chain; C is Pyruvate
C)  A is Pyruvate; B is Citric acid cycle; C is Electron transport chainD) A) and B)
E) All of the above

Question 18

Identify 'c' as the _____

Accepted Answer

A)  inner membrane
B)  matrix
C)  cristae
D)  intermembrane space
E)  outer membraneF) All of the above
G) A) and C)

Question 19

Degradative reactions

Accepted Answer

A)  cause death.
B)  can drive anabolism.
C)  tend to be endergonic.
D)  include the buildup of products such as complex proteins and nucleic acids.
E)  All of the choices are true.F) B) and D)
G) A) and E)

Question 20

Which statement is correct about the input and output of carbon during glycolysis?

Accepted Answer

A)  there is an input of 6 carbons (glucose) and an output of 6 carbons (2 pyruvates) 
B)  there is an input of 6 carbons (2 pyruvates) and an output of 6 carbons (1 glucose) 
C)  there is an input of 6 carbons (glucose) and an output of 6 carbons (6 CO2) 
D)  there is an input of 3 carbons (glucose) and an output of 3 carbons (pyruvate) E) None of the above
F) A) and D)

Exam 8: Cellular Respiration

h Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to place the items in proper order.

Correct AnswerverifiedShow Answer

Compared with other cell components (organelles,cell membrane or nucleus) ,the mitochondria would be the only one that would

Correct AnswerverifiedShow Answer

One turn of the citric acid cycle produces

Correct AnswerverifiedShow Answer

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Correct AnswerverifiedShow Answer

Chloroplast are capable of running photosynthesis which is the most abundant form of anabolic metabolism in life.

Correct AnswerverifiedShow Answer

The preparatory reaction breaks

Correct AnswerverifiedShow Answer

Which statement is correct about the input and output of carbon during glycolysis?

Correct AnswerverifiedShow Answer

Degradative reactions

Correct AnswerverifiedShow Answer

Glycolysis produces 1 pyruvate and 3 NADH coenzymes.

Correct AnswerverifiedShow Answer

Each molecule of NADH produced in the mitochondria provides the energy for two ATP molecules.

Correct AnswerverifiedShow Answer

Identify 'd' as the _____

Correct AnswerverifiedShow Answer

Glycolysis will yield a net of 2 ATP only during aerobic respiration.

Correct AnswerverifiedShow Answer

During glycolysis _____ carbons will enter the pathway but _____ carbons will leave in the form of pyruvates.

Correct AnswerverifiedShow Answer

Why would an organism utilize alcohol fermentation if it is wasteful of the energy in food molecules and poses a threat of death due to high levels of toxic alcohol?

Correct AnswerverifiedShow Answer

Identify 'c' as the _____

Correct AnswerverifiedShow Answer

Aerobic cellular respiration yields about ____ of the energy of glucose in ATP molecules.

Correct AnswerverifiedShow Answer

h Substrates that reoccur in several metabolic pathways form the metabolic pool.Study the figure to match the substrates with the corresponding pathway.

Correct AnswerverifiedShow Answer

Which of these processes occurs in the cytosol?

Correct AnswerverifiedShow Answer

The carbon dioxide we exhale is produced in

Correct AnswerverifiedShow Answer

Acetyl-CoA is produced from

Correct AnswerverifiedShow Answer

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During glycolysis _ carbons will enter the pathway but _ carbons will leave in the form of pyruvates.

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During glycolysis _ carbons will enter the pathway but _ carbons will leave in the form of pyruvates.

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