Light-independent Reaction
10 Questions
| Total Attempts: 2285
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A quiz over the light-independent reaction!
Questions and Answers
- 1.Where does the light-independent reaction occur?
- A.
Stroma
- B.
Mitochondria
- C.
Thylakoid
- 2.What provides the energy for the light-independent reaction?
- A.
Sunlight
- B.
ATP from neighboring mitochondria
- C.
NADPH and ATP from the light-dependent reaction
- 3.A main part of the light-independent reaction, the Calvin Cycle, involves three main steps. These include _______________, reduction, and regeneration of RuBP.
- A.
Light absorption
- B.
Carbon fixation
- C.
Sodium transport
- 4.What catalyzes carbon fixation?
- A.
Ferredoxin
- B.
NADP reductase
- C.
Rubisco
- 5.Carbon fixation binds a carbon dioxide molecule to a 5-carbon compound known as _____________, creating an unstable 6-carbon compound.
- A.
Rubisco
- B.
RuBP
- C.
Ribonuclease
- 6.The unstable 6-carbon compound breaks down into:
- A.
2, 3-carbon compounds
- B.
3, 2-carbon compounds
- C.
6, 1-carbon compounds
- 7.In the process of ____________, ATP and NADPH act upon these two 3-carbon compounds to create triose phosphate.
- A.
Production
- B.
Reduction
- C.
Seduction
- 8.Some triose phosphates leave the cycle to become complex carbohydrates; others remain in order to regenerate ____________.
- A.
Rubisco
- B.
RuBP
- C.
Ribonuclease
- 9._______ is used to gain RuBP from the triose phosphate compounds.
- A.
NADPH
- B.
ATP
- C.
Rubisco
- 10.What is the main product of the Calvin Cycle?
- A.
RuBP
- B.
Rubisco
- C.
Glucose
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