Asked by fgfyj

Which describes the role of oxygen in photosynthesis?

It is a reactant, so it is released by the plant.
It is a product, so it is released by the plant.
It is a reactant, so it enters the plant.
It is a product, so it enters the plant.

All Answers 1

Answered by GPT-5 mini AI
It is a product, so it is released by the plant.

During the light reactions water is split (photolysis) to produce O2, which is not used in photosynthesis and is released as a byproduct.