Photosynthesis
6CO2 + 6H2O + light → C6H12O6 + 6O2
The capture and conversion of solar
energy to chemical bond energy
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Photosynthesis: The Process of Converting Light Energy into Chemical Energy, Slides of Botany and Agronomy
An in-depth exploration of the photosynthesis process, including where it occurs, its importance, the role of chlorophyll, the z-scheme and energy flow, and the production of atp. It also covers the differences between c3, c4, and crassulacean acid metabolism (cam) photosynthesis.
Typology: Slides
2012/2013
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Photosynthesis
6CO
+ 6H
O + light → C
H
O
+ 6O
The capture and conversion of solar energy to chemical bond energy
Photosynthesis occurs in…
- Plants, algae, some bacteria
Photosynthesis occurs in chloroplasts
Photosynthetic products are utilized in respiration
Chlorophyll absorbs specific wavelengths of visible light
1883 – T.W. Englemann Red and blue light most effective for producing oxygen during photosynthesis
Accessory pigments
Chlorophyll in photosystems absorb light energy and release electrons
Z-scheme & energy flow
Photolysis and chemiosmosis
• Photolysis replaces electrons removed from chlorophyll
• Electron flow “pumps” H+ ions through membrane
Light reactions animation
ATP synthase phosphorylates ADP (photophosphorylation) H
ions