Question

ag foundations - 4th period
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check for understanding iii - photosynthesis
plant science basics: plant processes
3 of 5
which of the following is the second stage of the calvin cycle?
○ carbon fixation
○ reduction
○ regeneration
○ respiration

Explanation:

The Calvin cycle has three main stages: Carbon fixation (first), Reduction (second), and Regeneration (third). Respiration is a different process. So the second stage is Reduction.

Answer:

B. Reduction (assuming the options are labeled A - D with A: Carbon fixation, B: Reduction, C: Regeneration, D: Respiration; if not labeled, the option "Reduction" is the correct one)