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C3, C4 & CAM Plants

C3, C4 & CAM Plants

9. Photosynthesis / C3, C4 & CAM Plants / Problem 2

Which of the following statements best describes why photorespiration does not occur in C4 plants?

A

They cannot utilize ATP.

B

They evolved a solution to increase the concentration of CO2 inside the cell.

C

They fix CO2 at night.

D

They carry out CO2 fixation and the Calvin cycle in the mesophyll cell.

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