C₄ Plants Differ from C₃ Plants Because C₃ Plants _______

Multiple Choice

C₄ plants differ from C₃ plants because C₃ plants _______, while C₄ plants _______.

A) produce a four-carbon intermediate after CO₂ fixation; produce a three-carbon intermediate after CO₂ fixation
B) have mesophyll cells that fix CO₂ and contain the Calvin cycle; have mesophyll cells that fix CO₂ and bundle sheath cells that contain the Calvin cycle
C) gain CO₂ via photorespiration; lose CO₂ via photorespiration
D) can concentrate the CO₂ by regulating the stomata closure; can concentrate CO₂ at night
E) concentrate CO₂ near rubisco; cannot concentrate CO₂ near rubisco