The Calvin cycle reactions occur in bundle sheath cells in a C ₄ plant A) to shield the Calvin cycle reactions from O ₂ in the leaf spaces. B) to allow O ₂ to enter bundle sheath cells. C) because rubisco is only found in mesophyll cells. D) so that they are adjacent to stomata. E) so that H ₂O is not available to mesophyll cells.

Question

Quizplus · Accepted Answer

In C4 plants, the Calvin cycle reactions occur in bundle sheath cells to minimize photorespiration by reducing the exposure of the Calvin cycle to oxygen. This spatial separation helps to shield the Calvin cycle reactions from high concentrations of oxygen in the leaf spaces.

The Calvin Cycle Reactions Occur in Bundle Sheath Cells in a C