GCC definitions: what is the difference between a C3 and C4 plant?

Question

what is the difference between a C3 and C4 plant?

Isabelle Molenaar · Accepted Answer

C4 plants actively pump CO2 into the mesophyll cell, while C3 plant rely on diffusion. C4 plants save more water as they are able to close the stomata quicker.

GCC definitions

What is the difference between a C3 and C4 plant?

C4 plants actively pump CO2 into the mesophyll cell, while C3 plant rely on diffusion. C4 plants save more water as they are able to close the stomata quicker.

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