Photosynthesis *autotroph *photoautotoph *chemoautotroph *heterotroph found b/w lower and upper epidermis *chloroplasts structure.

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Presentation transcript:

Photosynthesis *autotroph *photoautotoph *chemoautotroph *heterotroph found b/w lower and upper epidermis *chloroplasts structure

Chloroplasts are the sites of photosynthesis in plants Two metabolic phases: *Light reactions *Calvin cycle Carbon fixation thylakoids stroma

The light reactions convert solar energy to chemical energy *photon *Photons are absorbed by pigment molecules

Light-harvesting complexes of the thylakoid membrane

Electron Flow

Organization of light reaction machinery

Chemiosmosis in mitochondria and chloroplasts *electron carriers similar *ATP synthase complexes similar *spatial organization differs

Calvin cycle (Carbon Fixation)

A review of photosynthesis

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