Multiple choice

In case of C4 plants, the acceptor of CO2 is

  1. phosphoglyceraldehyde

  2. ribulose monophosphate

  3. ribulose diphosphate

  4. phosphoenolpyruvate

  5. -

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Phosphoenolpyruvate carboxylase is an enzyme that is found in plants and some bacteria that catalyse the addition of bicarbonate to phosphoenolpyruvate to form four-carbon compound oxaloacetate and inorganic phosphate.