Topic 7 Part A - Photosynthesis S10 1pp

Topic 7 Part A - Photosynthesis S10 1pp - Photosynthesis...

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1 Photosynthesis Topic 7 Part A Chapter 10
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2 Objectives I To know the overall (summary) equation of photosynthesis To know what the 2 sub-processes of photosynthesis are and how they are linked To know how leaf structure and chloroplast structure relate to photosynthesis To know what a photon is and how it is absorbed by a pigment moloecule To know what the 3 different types of pigment molecules are and how they differ from each other To know the 4 stages of the light-dependent reactions To know how a photosystem absorbs photons To know the difference between cyclic and non-cyclic photophosphorylation
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3 Objectives II To know the photosynthetic electron transport pathway To know how ATP is produced To know what the Calvin cycle is and the role of rubisco To know what photorespiration is To know how C4 and CAM photosynthesis resolve the problem of photorespiration
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4 Key Words and Phrases Photosynthesis; light-dependent reactions; light-independent reactions; Calvin cycle; carbon fixation; stoma; mesophyll cell Chloroplast; thylakoid; grana; photosystem; reaction center Photons; electromagnetic spectrum; absorption spectrum Pigments; carotenoids; chlorophyll a ; chlorophyll b Primary photoevent; charge separation; electron transport chain; chemiosmosis Cyclic photophosphorylation; non-cyclic photophosphoryl-ation; photosystem I; photosystem II; NADP + /NADPH Ribulose bisphosphate carboxylase/oxygenase (rubisco); ribulose bisphosphate (RuBP); glyceraldehyde-3-phosphate Photorespiration; C4 photosynthesis; crassulacean acid metabolism (CAM) photosynthesis; spatial; temporal
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5 Outline Chloroplasts Light-Independent Reactions Absorption Spectra Pigments Light-Dependent Reactions Photosystems C 3 Photosynthesis C 4 Photosynthesis CAM Photosynthesis
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6 The Link Between Cellular Respiration and Photosynthesis In plants only green cells contain chloroplasts while all cells contain mitochondria
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7 Background - Autotrophs Autotrophs sustain themselves without eating anything derived from other organisms Autotrophs are the producers of the biosphere, producing organic molecules from CO 2 and other inorganic molecules Almost all plants are photo autotrophs , using the energy of sunlight to make organic molecules from H 2 O and CO 2 Photosynthesis occurs in plants, algae, certain other protists, and some prokaryotes These organisms feed not only themselves but also most of the living world
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8 (a) Plants (c) Unicellular protist 10 µ m 1.5 µ m 40 µ m (d) Cyanobacteria (e) Purple sulfur bacteria (b) Multicellular alga
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9 Heterotrophs obtain their organic material from other organisms Heterotrophs are the consumers of the biosphere Almost all heterotrophs, including humans, depend on photoautotrophs for food and O 2
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This note was uploaded on 05/18/2010 for the course BIO 188 taught by Professor Capco during the Spring '08 term at ASU.

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Topic 7 Part A - Photosynthesis S10 1pp - Photosynthesis...

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