Question 1

During cyclic electron flow,electron transport:

Accepted Answer

A)  involves neither PSI nor PSII.
B)  takes place only in PSI.
C)  takes place only in PSII.
D)  cycles electrons back and forth between PSI and PSII.E) All of the above
F) B) and C)

Question 2

In chloroplasts,light absorption,electron transport,and ATP synthesis all occur:

Accepted Answer

A)  in the stroma.
B)  in the thylakoid lumen.
C)  in or on the thylakoid membrane.
D)  in or on the inner membrane.E) None of the above
F) B) and C)

Question 3

The molecule that immediately enters the citric acid cycle is formed by which process?

Accepted Answer

A)  chemiosmosis
B)  glycolysis
C)  the light reactions
D)  pyruvate conversionE) A) and B)
F) A) and C)

Question 4

Transport of pyruvate into the mitochondrial matrix depends on energy provided by:

Accepted Answer

A)  ATP hydrolysis.
B)  ATP synthesis.
C)  a Na⁺ gradient.
D)  the proton-motive force.E) A) and B)
F) None of the above

Question 5

The enzymes that catalyze the Calvin cycle are found in the:

Accepted Answer

A)  thylakoid lumen.
B)  phloem.
C)  cytosol.
D)  stromal space.E) A) and B)
F) A) and C)

Question 6

Plastoquinone,like ubiquinone,can move freely within the membrane.This is important for its function as:

Accepted Answer

A)  an electron and proton shuttle.
B)  an electron carrier.
C)  a reaction center.
D)  a pump.E) B) and C)
F) A) and C)

Question 7

Based on what you know about the action spectra of photosynthesis,irradiating a leaf with which of the following light types would result in the release of the greatest quantities of oxygen?

Accepted Answer

A)  red and orange light
B)  red and blue light
C)  green and blue light
D)  violet and yellow lightE) A) and C)
F) A) and B)

Question 8

What is the source of the energy for carbon fixation?

Accepted Answer

The reactions that fix CO₂ are...

Question 9

What is the role of substrate-level phosphorylation in glycolysis?

Accepted Answer

During glycolysis,substrate level phosph...

Question 10

Yeasts use fermentation to synthesize ATP:

Accepted Answer

A)  in the absence of oxygen.
B)  because fermentation produces more ATP than oxidative phosphorylation.
C)  because yeasts lack mitochondria.
D)  to produce lactic acid.E) A) and C)
F) B) and C)

Question 11

In photosynthesis,all of the following reactions are directly dependent on light,except:

Accepted Answer

A)  carbon fixation.
B)  synthesis of ATP.
C)  electron transport.
D)  removal of electrons from H₂O.E) A) and B)
F) A) and C)

Exam 11: Cellular Energetics

In chloroplasts,light absorption,electron transport,and ATP synthesis all occur:

Correct Answer
verified

Yeasts use fermentation to synthesize ATP:

Correct Answer
verified

Transport of pyruvate into the mitochondrial matrix depends on energy provided by:

Correct Answer
verified

Plastoquinone,like ubiquinone,can move freely within the membrane.This is important for its function as:

Correct Answer
verified

Based on what you know about the action spectra of photosynthesis,irradiating a leaf with which of the following light types would result in the release of the greatest quantities of oxygen?

Correct Answer
verified

What is the role of substrate-level phosphorylation in glycolysis?

Correct Answer
verified
During glycolysis,substrate level phosph...
View Answer

During cyclic electron flow,electron transport:

Correct Answer
verified

The molecule that immediately enters the citric acid cycle is formed by which process?

Correct Answer
verified

The enzymes that catalyze the Calvin cycle are found in the:

Correct Answer
verified

What is the source of the energy for carbon fixation?

Correct Answer
verified
The reactions that fix CO₂ are...
View Answer

In photosynthesis,all of the following reactions are directly dependent on light,except:

Correct Answer
verified

Exam 11: Cellular Energetics

In chloroplasts,light absorption,electron transport,and ATP synthesis all occur:

Correct AnswerverifiedShow Answer

Yeasts use fermentation to synthesize ATP:

Correct AnswerverifiedShow Answer

Transport of pyruvate into the mitochondrial matrix depends on energy provided by:

Correct AnswerverifiedShow Answer

Plastoquinone,like ubiquinone,can move freely within the membrane.This is important for its function as:

Correct AnswerverifiedShow Answer

Based on what you know about the action spectra of photosynthesis,irradiating a leaf with which of the following light types would result in the release of the greatest quantities of oxygen?

Correct AnswerverifiedShow Answer

What is the role of substrate-level phosphorylation in glycolysis?

Correct AnswerverifiedDuring glycolysis,substrate level phosph...View AnswerShow Answer

During cyclic electron flow,electron transport:

Correct AnswerverifiedShow Answer

The molecule that immediately enters the citric acid cycle is formed by which process?

Correct AnswerverifiedShow Answer

The enzymes that catalyze the Calvin cycle are found in the:

Correct AnswerverifiedShow Answer

What is the source of the energy for carbon fixation?

Correct AnswerverifiedThe reactions that fix CO₂ are...View AnswerShow Answer

In photosynthesis,all of the following reactions are directly dependent on light,except:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
During glycolysis,substrate level phosph...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The reactions that fix CO₂ are...
View Answer

Correct Answer
verified