Question

Does photorespiration release CO2?

Answer 1

Photorespiration: The process of photorespiration reduces the effectiveness of photosynthesis in plants.

1. The primary by product of photorespiration is substrate phosphoglycolate.
2. The Calvin cycle then uses the carbon dioxide produced as the result of photorespiration to complete photosynthesis.
3. During photorespiration, mitochondria are released. Plants release carbon dioxide as a byproduct of the photorespiration process. High light levels and high temperatures are the main causes.

Final Answer: Photorespiration releases CO2. In addition to using ATP, photorespiration lowers the efficiency of carbon fixation. In this process, sugar is not synthesised.