Question 1

____ is NOT a stage of cellular respiration.

Accepted Answer

A)   The Krebs cycle
B)   The electron transport system
C)   The Calvin cycle
D)   Glycolysis

Question 2

CO2 is produced

Accepted Answer

A)   when acetyl is formed.
B)   during the Krebs cycle.
C)   inside mitochondria.
D)   All of the choices are correct.

Question 3

When an amino acid is converted to a keto acid, it

Accepted Answer

A)   gains nitrogen.
B)   becomes a fatty acid.
C)   loses nitrogen.
D)   becomes a pyruvic acid.

Question 4

The following (C2  →\rightarrow→  CO2 + H+ + e-)  represents

Accepted Answer

A)   glycolysis.
B)   Krebs cycle
C)   electron transport system.
D)   None of these choices is correct.

Question 5

In the metabolism of a fatty acid to obtain energy, one of the first steps is that the fatty acid is broken down to

Accepted Answer

A)   acetyl.
B)   glycerol.
C)   glyceraldehyde-3-phosphate.
D)   a keto acid.

Question 6

An anaerobic process does NOT require

Accepted Answer

A)   water.
B)   oxygen.
C)   energy.
D)   phosphate.

Question 7

CoA transports

Accepted Answer

A)   pyruvic acid.
B)   acetyl.
C)   oxygen.
D)   glucose.

Question 8

In eukaryotic cells, the hydrogens that go through the electron transport system from one sugar (glucose)  molecule produce

Accepted Answer

A)   six ATPs.
B)   eight ATPs.
C)   seventy-six ATPs.
D)   thirty-two ATPs.

Question 9

Which is true of cheese?

Accepted Answer

A)   It is the result of aerobic fermentation.
B)   It contains lactic acid.
C)   It is spoiled milk.
D)   All of the above are correct.

Question 10

Which one of the following is NOT required for aerobic cellular respiration to take place?

Accepted Answer

A)   enzymes
B)   NAD
C)   oxygen
D)   carbon dioxide

Question 11

In fermentation, yeast produces

Accepted Answer

A)   ethyl alcohol.
B)   oxygen.
C)   hydrogen.
D)   All of these answers are true.

Question 12

If no oxygen is present, the electron transport system

Accepted Answer

A)   stops.
B)   accelerates.
C)   produces ethyl alcohol.
D)   obtains oxygen from available water.

Question 13

Your cells most readily obtain energy from

Accepted Answer

A)   C6H12O6.
B)   Glyceraldehyde-3-phosphate.
C)   ATP.
D)   NADH2.

Question 14

The end product of glycolysis is

Accepted Answer

A)   ketone.
B)   alcohol.
C)   pyruvic acid.
D)   lactic acid.

Question 15

Which of the following metabolic processes involves enzymes located in the membranes of mitochondria?

Accepted Answer

A)   glycolysis
B)   Krebs cycle
C)   electron transport system
D)   All of these answers are correct.

Question 16

ATP is produced by

Accepted Answer

A)   the electron transport system.
B)   The Krebs cycle.
C)   glycolysis.
D)   All of the choices are correct.

Question 17

Which of the following processes produces the most ATP?

Accepted Answer

A)   glycolysis
B)   Krebs cycle
C)   electron transport system
D)   anaerobic cellular respiration

Question 18

Oxygen is NOT necessary for

Accepted Answer

A)   anaerobic cellular respiration.
B)   aerobic cellular respiration.
C)   electron transport system.
D)   All require oxygen.

Question 19

Which process takes place outside of cells?

Accepted Answer

A)   aerobic cellular respiration
B)   anaerobic cellular respiration
C)   light-dependent reactions
D)   digestion

Question 20

The following (C6  →\rightarrow→  2 C3)  best represents

Accepted Answer

A)   glycolysis.
B)   Krebs cycle.
C)   electron transport system.
D)   All of these choices are correct.

Exam 6: Biochemical Pathways: Cellular Respiration

An anaerobic process does NOT require

Correct AnswerverifiedShow Answer

The following (C2 →\rightarrow→ CO2 + H+ + e-) represents

Correct AnswerverifiedShow Answer

____ is NOT a stage of cellular respiration.

Correct AnswerverifiedShow Answer

Which is true of cheese?

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If no oxygen is present, the electron transport system

Correct AnswerverifiedShow Answer

Oxygen is NOT necessary for

Correct AnswerverifiedShow Answer

The end product of glycolysis is

Correct AnswerverifiedShow Answer

Which of the following metabolic processes involves enzymes located in the membranes of mitochondria?

Correct AnswerverifiedShow Answer

Your cells most readily obtain energy from

Correct AnswerverifiedShow Answer

In eukaryotic cells, the hydrogens that go through the electron transport system from one sugar (glucose) molecule produce

Correct AnswerverifiedShow Answer

The following (C6 →\rightarrow→ 2 C3) best represents

Correct AnswerverifiedShow Answer

Which process takes place outside of cells?

Correct AnswerverifiedShow Answer

In the metabolism of a fatty acid to obtain energy, one of the first steps is that the fatty acid is broken down to

Correct AnswerverifiedShow Answer

CO2 is produced

Correct AnswerverifiedShow Answer

Which one of the following is NOT required for aerobic cellular respiration to take place?

Correct AnswerverifiedShow Answer

ATP is produced by

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Which of the following processes produces the most ATP?

Correct AnswerverifiedShow Answer

In fermentation, yeast produces

Correct AnswerverifiedShow Answer

CoA transports

Correct AnswerverifiedShow Answer

When an amino acid is converted to a keto acid, it

Correct AnswerverifiedShow Answer

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The following (C₂ $\rightarrow$ CO₂ + H⁺ + e^-) represents

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The following (C₆ $\rightarrow$ 2 C₃) best represents

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CO₂ is produced

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