9. Photosynthesis
Calvin Cycle
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- Multiple Choice
Where in a plant cell does the Calvin cycle take place?
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The enzyme rubisco combines RuBP with a carbon atom from:
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Which of the following processes occurs during the Calvin cycle?
4802views17rank - Multiple ChoiceThe reactions of the Calvin cycle are not directly dependent on light, but they usually do not occur at night. Why?4352views
- Textbook Question
Which of the following are produced by reactions that take place in the thylakoids and consumed by reactions in the stroma?
a. CO₂ and H₂O
b. ATP and NADPH
c. ATP, NADPH, and CO₂
d. ATP, NADPH, and O₂
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Which of the following occurs during the Calvin cycle?
a. Carbon fixation
b. Reduction of NADP+
c. Release of oxygen
d. Generation of CO₂
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Which of the following does not occur during the Calvin cycle?
a. Carbon fixation
b. Oxidation of NADPH
c. Release of oxygen
d. Regeneration of the CO2 acceptor
2811views1rank - Textbook Question
The reactions of the Calvin cycle are not directly dependent on light, but they usually do not occur at night. Why? (Explain your answer.)
a. It is often too cold at night for these reactions to take place.
b. Carbon dioxide concentrations decrease at night.
c. The Calvin cycle depends on products of the light reactions.
d. Plants usually close their stomata at night.
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