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Chapter 15 (part1) Photosynthesis
20

Chemistry 15.1-Photosynthetic-electron-transport

Feb 19, 2017

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Page 1: Chemistry 15.1-Photosynthetic-electron-transport

Chapter 15 (part1)

Photosynthesis

Page 2: Chemistry 15.1-Photosynthetic-electron-transport
Page 3: Chemistry 15.1-Photosynthetic-electron-transport

Conversion of Light Energy to Chemical Energy

Page 4: Chemistry 15.1-Photosynthetic-electron-transport
Page 5: Chemistry 15.1-Photosynthetic-electron-transport

Chlorophyll

Page 6: Chemistry 15.1-Photosynthetic-electron-transport

Accessory PigmentsCarotenoid

Phycobilin

Page 7: Chemistry 15.1-Photosynthetic-electron-transport

Absorption Spectra of Major Photosynthetic

Pigments

Page 8: Chemistry 15.1-Photosynthetic-electron-transport

Harvesting of Light and Transfer of Energy to

Photosystems

Page 9: Chemistry 15.1-Photosynthetic-electron-transport

Resonance

Transfer

Page 10: Chemistry 15.1-Photosynthetic-electron-transport

Photosynthetic ETC

Page 11: Chemistry 15.1-Photosynthetic-electron-transport

Z-Scheme

Page 12: Chemistry 15.1-Photosynthetic-electron-transport

P680(PSII) to PQ Pool

Page 13: Chemistry 15.1-Photosynthetic-electron-transport

Excitation, Oxidation and Re-reduction of

P680

Page 14: Chemistry 15.1-Photosynthetic-electron-transport

Oxygen evolution by PSII

Page 15: Chemistry 15.1-Photosynthetic-electron-transport

Crystal structure of Photosystem II

from Thermosynechococcus elongatus at

3.5 angstrom resolution Kristina N. Ferreira, Tina M.

Iverson, Karim Maghlaoui, James Barber, and So IwataScience 19 March 2004: 1831-1838.

Page 16: Chemistry 15.1-Photosynthetic-electron-transport

Kristina N. Ferreira, Tina M. Iverson, Karim Maghlaoui, James Barber, and So IwataScience 19 March 2004: 1831-1838.

Page 17: Chemistry 15.1-Photosynthetic-electron-transport
Page 18: Chemistry 15.1-Photosynthetic-electron-transport

Electrons are passed

from Pheophytin

to Plastoquinon

e

Page 19: Chemistry 15.1-Photosynthetic-electron-transport

Transfer of e- from PQH2 to Cytbf Complex (another Q-

cycle)

Page 20: Chemistry 15.1-Photosynthetic-electron-transport