Friday, May 15, 2015

Photosynthesis vs Cellular Respiration

Photosynthesis: 

                             light
6CO2 + 6H2O --------------------> C6H12O6 + 6O2
                        chloroplast

Cellular Respiration:

C6H12O6 + 6O2 --------------------> 6CO2 + 6H2O + 36ATP

Differences: 




Similarities: 
- essentially the same reaction but reverse
- both involve in the exchange of gases (carbon dioxide, oxygen)
- both involve the movement of electrons through electron transport chain
- ATP is a key molecule in both
- ATP is produced through ATP synthase
- both take place in an organelle thought to be ingested (double membranes of mitochondria and chloroplasts)
- both have alternative pathways; photosynthesis (cyclic, C4, CAM) and respiration (fermentation) 


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