Chapter 15 (part1) Photosynthesis. Conversion of Light Energy to Chemical Energy.

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Presentation transcript:

Chapter 15 (part1) Photosynthesis

Conversion of Light Energy to Chemical Energy

Chlorophyll

Accessory Pigments Carotenoid Phycobilin

Absorption Spectra of Major Photosynthetic Pigments

Harvesting of Light and Transfer of Energy to Photosystems

Resonance Transfer

Photosynthetic ETC

Z-Scheme

P680(PSII) to PQ Pool

Excitation, Oxidation and Re-reduction of P680

Oxygen evolution by PSII

Crystal structure of Photosystem II from Thermosynechococcu s elongatus at 3.5 angstrom resolution Kristina N. Ferreira, Tina M. Iverson, Karim Maghlaoui, James Barber, and So Iwata Science 19 March 2004:

Electrons are passed from Pheophytin to Plastoquinone

Transfer of e - from PQH 2 to Cyt bf Complex (another Q- cycle)

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