Other Calvin Cycle Concepts

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Biochemistry › Other Calvin Cycle Concepts

Questions 1 - 2
1

Which of the following is not true of the Calvin cycle?

The Calvin cycle does not need light to function

The Calvin cycle occurs in the stroma of a chloroplast

The first step of the Calvin cycle is carbon fixation

NADPH and ATP are required to initiate the Calvin cycle

All of these are true of the Calvin cycle

Explanation

Despite the Calvin cycle's other name (light independent reactions), light is indirectly required for this process to function. All other choices are true of the Calvin cycle.

2

What are the three stages of the Calvin cycle?

Fixation, reduction, and regeneration

Fixation, oxidation, and regeneration

Carboxylation, reduction, and regeneration

Reduction, oxidation, and regeneration

Fixation, carboxylation, and regeneration

Explanation

The stages of the Calvin cycle in the order that they occur are fixation, reduction, and then regeneration. While carboxylation does occur as a part of the first stage, it is not what defines that stage.

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