Question 1

Why does FADH2 result in fewer ATP than NADH + H+?

Accepted Answer

A)   FADH2 only contains 1 electron.
B)   FADH2 only contains 1 hydrogen ion.
C)   FADH2 drops its electrons off lower on the electron transport chain.
D)   FADH2 drops its electrons off higher on the electron transport chain.
E)   FADH2 drops its electrons off to oxygen.F) B) and D)
G) C) and D)

Question 2

Which of the following is a substrate of cellular respiration?

Accepted Answer

A)   carbon dioxide
B)   water
C)   glucose
D)   ATP
E)   energyF) A) and D)
G) B) and C)

Question 3

List the inputs and outputs of glycolysis.

Accepted Answer

Inputs of glycolysis include: ...

Question 4

The ATP synthase complex is located in the

Accepted Answer

A)   cytoplasm outside the mitochondria.
B)   matrix inside the mitochondria.
C)   cristae of the mitochondria.
D)   outer membrane of the mitochondria.
E)   plasma membrane of the cell.F) C) and D)
G) A) and E)

Question 5

Where does the preparatory reaction take place within the cell?

Accepted Answer

A)   mitochondrial matrix
B)   mitochondrial cristae
C)   nucleus
D)   cytoplasm
E)   endoplasmic reticulumF) A) and B)
G) A) and C)

Question 6

The production of ATP as a result of an electrochemical gradient is called

Accepted Answer

A)   glycolysis.
B)   substrate-level phosphorylation.
C)   chemiosmosis.
D)   deamination.
E)   oxidative phosphorylation.F) D) and E)
G) A) and E) C

Question 7

Pyruvate can be converted to lactate instead of going to the preparatory reaction.Why does this occur?

Accepted Answer

A)   the cells needs lactate to produce ATP
B)   there is no sunlight
C)   the cells doing the reaction are prokaryotes
D)   oxygen is not available
E)   there is a shortage of glucoseF) A) and D)
G) A) and C)

Question 8

Which of the following is not an example of fermentation used by organisms to produce ATP?

Accepted Answer

A)   bacteria producing lactate
B)   bacteria producing alcohol
C)   humans producing alcohol
D)   humans producing lactate
E)   yeast producing alcoholF) A) and B)
G) C) and E)

Question 9

The largest number of ATP molecules are produced in which phase of cellular respiration?

Accepted Answer

A)   glycolysis
B)   preparation reaction
C)   citric acid cycle
D)   electron transport chain
E)   Calvin cycleF) A) and B)
G) B) and E)

Question 10

Which of the following statements about glycolysis is true?

Accepted Answer

A)   Glycolysis results in the release of carbon dioxide.
B)   Glycolysis is a cyclical reaction.
C)   Glycolysis is a reduction reaction where only glucose is reduced.
D)   Glycolysis occurs twice per glucose molecule.
E)   Glycolysis breaks glucose down to 2 pyruvate molecules.F) B) and E)
G) A) and E)

Question 11

Where does glycolysis take place within the cell?

Accepted Answer

A)   endoplasmic reticulum
B)   nucleus
C)   mitochondrial matrix
D)   mitochondrial membrane
E)   cytoplasmF) None of the above
G) A) and B)

Question 12

Why is ATP used as the energy molecule of the cell?

Accepted Answer

A)   ATP is easy to synthesize within the cell.
B)   ATP contains large amounts of energy so at least some of it can be used by the cell.
C)   ATP contains just about the amount of energy required for most cellular reactions.
D)   ATP is stored inside the cell where it is readily available whenever needed.
E)   ATP can be broken down into carbon dioxide and water.F) C) and D)
G) B) and C)

Question 13

What phase(s) of cellular respiration produce(s) NADH + H+?

Accepted Answer

A)   glycolysis
B)   preparatory reaction
C)   citric acid cycle
D)   glycolysis and preparatory reaction
E)   glycolysis, preparatory reaction, and citric acid cycleF) A) and B)
G) B) and C)

Question 14

Which of the following would not slow down the electron transport system's production of ATP?

Accepted Answer

A)   Limit the amount of oxygen available.
B)   Decrease use of ATP and thus reduce available ADP.
C)   Reduce synthesis of NAD+ and FAD.
D)   Add an NADH reductase inhibitor.
E)   Increase the pumping of hydrogen ions into the intermembrane space of the mitochondria.F) A) and C)
G) A) and B)

Question 15

Fermentation is the process that allows bread to rise.

Accepted Answer

A) True 
 B)False

Question 16

Glycolysis is linked to the citric acid cycle when oxygen is not available.

Accepted Answer

A) True 
 B)False  False

Question 17

The equation: C6H12O6 + 6O2 →\rarr→ 38 ATP + 6CO2 + 6H2O represents which cellular process?

Accepted Answer

A)   glycolysis
B)   electron transport system
C)   citric acid cycle
D)   photosynthesis
E)   cellular respiration F) B) and C)
G) A) and B)

Question 18

Write out the overall equation for cellular respiration.

Accepted Answer

C₆H₁₂O₆ + 6O₂ =...

Question 19

The final product of glycolysis is oxygen.

Accepted Answer

A) True 
 B)False  False

Question 20

If the carbons from glucose were radioactively labeled,what molecule(s) would end up with the label?

Accepted Answer

A)   pyruvate
B)   citric acid
C)   carbon dioxide
D)   carbon dioxide and citrate
E)   pyruvate and carbon dioxideF) All of the above
G) B) and E)

Exam 7: Cellular Respiration

Why does FADH2 result in fewer ATP than NADH + H+?

Correct AnswerverifiedShow Answer

Which of the following is a substrate of cellular respiration?

Correct AnswerverifiedShow Answer

List the inputs and outputs of glycolysis.

Correct AnswerverifiedInputs of glycolysis include: ...View AnswerShow Answer

The ATP synthase complex is located in the

Correct AnswerverifiedShow Answer

Where does the preparatory reaction take place within the cell?

Correct AnswerverifiedShow Answer

The production of ATP as a result of an electrochemical gradient is called

Correct AnswerverifiedC

Pyruvate can be converted to lactate instead of going to the preparatory reaction.Why does this occur?

Correct AnswerverifiedShow Answer

Which of the following is not an example of fermentation used by organisms to produce ATP?

Correct AnswerverifiedShow Answer

The largest number of ATP molecules are produced in which phase of cellular respiration?

Correct AnswerverifiedShow Answer

Which of the following statements about glycolysis is true?

Correct AnswerverifiedShow Answer

Where does glycolysis take place within the cell?

Correct AnswerverifiedShow Answer

Why is ATP used as the energy molecule of the cell?

Correct AnswerverifiedShow Answer

What phase(s) of cellular respiration produce(s) NADH + H+?

Correct AnswerverifiedShow Answer

Which of the following would not slow down the electron transport system's production of ATP?

Correct AnswerverifiedShow Answer

Fermentation is the process that allows bread to rise.

Correct AnswerverifiedShow Answer

Glycolysis is linked to the citric acid cycle when oxygen is not available.

Correct AnswerverifiedFalse

The equation: C6H12O6 + 6O2 →\rarr→ 38 ATP + 6CO2 + 6H2O represents which cellular process?

Correct AnswerverifiedShow Answer

Write out the overall equation for cellular respiration.

Correct AnswerverifiedC6H12O6 + 6O2 =...View AnswerShow Answer

The final product of glycolysis is oxygen.

Correct AnswerverifiedFalse

If the carbons from glucose were radioactively labeled,what molecule(s) would end up with the label?

Correct AnswerverifiedShow Answer

Why does FADH₂ result in fewer ATP than NADH + H⁺?

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Inputs of glycolysis include: ...
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C

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What phase(s) of cellular respiration produce(s) NADH + H⁺?

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False

The equation: C₆H₁₂O₆ + 6O₂ $\rarr$ 38 ATP + 6CO₂ + 6H₂O represents which cellular process?

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C₆H₁₂O₆ + 6O₂ =...
View Answer

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False

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