When RuBP reacts with O₂, A) it cannot react with CO₂. B) carbohydrate production increases. C) plant growth is stimulated. D) net carbon fixation increases by 25 percent. E) two carbon molecules combine to form the four-carbon phosphoglycolate.

Question

Quizplus · Accepted Answer

RuBP (ribulose bisphosphate) reacting with O2 (oxygen) instead of CO2 leads to a process called photorespiration, where no carbohydrate is produced, and thus it cannot react with CO2 to produce carbohydrates.

When RuBP Reacts with O2

When RuBP Reacts with O₂