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7/29/2019 Photosynthesis Lecture F'12
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Photosynthesis
I. Bottom line of photosynthesis Redox reactionsAutotrophs
Chloroplast structure
Overview of photosynthesis II. The details of photosynthesis
Light Reactions Dark Reactions (AKA Calvin Cycle)But first...
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Photosynthesis
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How do we KNOW the
photosynthesis equation?
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http://www.youtube.com/v/naYu4m3b6cw
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Cyanobacteria- photosynthetic
prokaryotes
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http://www.youtube.com/v/DE4CPmTH3xg
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Photosynthetic ANIMALS?
http://www.livescience.com/animals/green-slug-animal-plant-100112.html
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Leaf Anatomy
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Stomata (little mouths) Allow Gas
Exchange
Ph t th i th i ibl
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Photosynthesis uses the visible
spectrum of light
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The visible spectrum
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Chlorophyll is excited by light energy
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Both chlorophyll and heme are composed of PORPHYRINrings- highly reactive organic ring structures capable of
producing free radicals.
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Chemiosmosis Powers ATP Synthase
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Chemiosmosis is like hydroelectric
power
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The Calvin Cycle
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Photosynthesis: A Summary