Oxidative phosphorylation vs Photophosphorylation

Differences between Oxidative phosphorylation and Photophosphorylation

Oxidative phosphorylation	Photophosphorylation
1. The energy released during electron transfer due to oxidation-reduction reaction is used during ATP formation	1. The source of energy for conversion of ATP from ADP and Pi is external (light).
2. It occurs during respiration.	1. It occurs during photosynthesis.
3. In general, it is found in the mitochondria.	2. It takes place within the chloroplast.
4. The process occurs onto the inner membrane of cristae.	3. It occurs in the thylakoid membrane.
5. Molecular oxygen is needed during terminal oxidation.	4. Molecular oxygen is not required.
6. The process takes place in electron transport system involving cytochrome.	6. Pigment system I and II are involved in the process.
7. The ATP molecules are released in the cytoplasm available for different metabolic reaction.	7. The produced ATP molecules are used as for CO2 assimilation in the dark reaction of photosynthesis.