Photosynthesis
Chapter 4
Photosynthesis
• Photosynthesis- the production of carbohydrates from carbon dioxide and water in the presence of chlorophyll using light energy.
6CO2 + 12H2O ---> C6H12O6 + 6O2 + 6H2O
Summary of Photosynthesis
Light Penetration vs. Depth
• Albert Einstein- proposed the Particle Model of Light in 1905.– Light is composed of particles of energy called photons.– Visible light has different photon wavelengths.
Absorption Spectra for Several Plant Pigments
410
430
660
450
640
445 480Phycobilins- 500-660
Seaweed and Plant Cells
Light-Independent Reactions
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