outline 9+10

outline 9+10 - Tejas Patel Lectures 9 10 Outline Plant...

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Tejas Patel Lectures 9+10 Outline 10/12/11 Plant Photosynthesis I. Light a. Electromagnetic spectrum: gamma, x-rays, UV, visible light, infrared, microwaves, radio b. Photon – small particle of light energy; amount of energy is inversely proportional to wavelength II. Chloroplasts a. Converts light energy to chemical energy (single sugar) b. Structure: 3-membrane system, thylakoid, thylakoid lumen, granum, stroma c. Photosynthetic pigments: embedded in thylakoid membrane c.i. light hits matter and is either: 1) absorbed, 2) reflected, or 3) transmitted through III. Photosynthesis a. 6 CO2 + 6 H2O + light energy C6H12O6 + 6 CO2 b. Carbon dioxide to glucose reduction; water to oxygen oxidation c. Light-dependent (photo) in thylakoids; light-independent (synthesis) in stroma IV. ATP Synthesis by Chemiosmosis a. Noncyclic and cyclic: protons are pumped from stroma (pH =8 ) into thylakoid lumen (pH = 5) V. Carbon-fixation Reactions a. 6 CO2 + 12 NADH + 18 ATP C6H12O6 + 12 NADP + 18 ADP + 18 Pi + 6 H2O
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outline 9+10 - Tejas Patel Lectures 9 10 Outline Plant...

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