what is photorespiration (htwsikkibm)
Answers
Answer:
a respiratory process in many higher plants by which they take up oxygen in the light and give out some carbon dioxide, contrary to the general pattern of photosynthesis
Answer:
Explanation:
Answer:
Explanation:
Photorespiration, also known as the oxidative photosynthetic carbon cycle, or C2 photosynthesis is a process in plant metabolism where the enzyme RuBisCo oxygenates RuBP, wasting sone of the energy produced during the process of Photosynthesis. Photorespiration is a wasteful pathway which occurs when the Calvin cycle enzyme RuBisCo acts in 02 rather than C02. It uses fixed carbon, wastes energy and mainly happens when plants close their stomata to reduce water loss.
The majority of the plants are C3 plants that have no special feature to fight photorespiration ( A normal plant that does not have photosynthetic adaption to reduce photo respiration us called C3 plant).
Whereas in C4 plants the photorespiration is minimized by seperating initial C02 fixation and the Calvin Cycle in space, by performing these process in different cell types.
CAM( Crassulacean acid metabolism) plants reduces photorespiration and save water mainly because these steps are seperated in time that is between day and night.