A researcher maintains an illuminated suspension of intact chloroplasts under steady-state conditions with constant light and carbon dioxide. If the carbon dioxide source is suddenly removed while illumination remains constant, which of the following describes the immediate change in the pool sizes of ribulose 1,5-bisphosphate (RuBP) and 3-phosphoglycerate (3-PGA)?

A) RuBP levels increase while 3-PGA levels decrease.

B) RuBP levels decrease while 3-PGA levels increase.

C) Both RuBP and 3-PGA levels rapidly drop to zero.

D) Both RuBP and 3-PGA levels accumulate continuously.

Calvin cycle Transitional Reasoning Download PDF

Biology · Cellular Energetics · Biology · Photosynthesis

1 Biology practice questions on Calvin cycle. Questions that build towards applied reasoning.

Cellular Energetics · Biology

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