07 Photosynthesis - Photosynthesis I. Photosynthesis...

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Photosynthesis I. Photosynthesis Overview A. Remember the general equation for respiration: C 6 H 12 O 6 + 6 O 2 à 6 CO 2 + 6 H 2 O + ATP glucose + oxygen à carbon dioxide + water +ATP B. Photosynthesis is the reverse: 6 CO 2 + 6 H 2 O + light energy à C 6 H 12 O 6 + 6 O 2 carbon dioxide + water + light energy à glucose + oxygen C. Sun is ultimate energy source 1. Plants use light energy to rearrange CO2 and H2O into carbohydrates 2. Plants use carbohydrates to supply their cells with energy 3. Plants—and the animals that eat them—liberate the energy stored in the chemical bonds of sugar through cellular respiration II. Leaf Structures A. Gases are exchanged through structures on the leaf surface called stomata B. Chloroplasts are structures in plant cells that allow them to carry out photosynthesis III. Chloroplast structure A. outer membrane and inner membrane B. stroma C. thylakoids 1. Pigment molecules (chlorophyll) are on the thylakoid surface 2. Chlorophyll absorbs and captures light energy
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This note was uploaded on 05/15/2011 for the course BIO 120 taught by Professor Throgerson during the Fall '08 term at Grand Valley State University.

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07 Photosynthesis - Photosynthesis I. Photosynthesis...

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