Biol_1001_Chapter_7

Biol_1001_Chapter_7 - file D C h a p te r 0 7 P r e s e n t...

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Unformatted text preview: file : / D : / C h a p te r _ 0 7 / P r e s e n t/ Im a g e s / 0 7 _ 0 1 .jp g Chapter 7. Capturing Solar Energy: Photosynthesis • Chloroplasts are the site for photosynthesis in plants • Photosynthesis transforms light energy trapped by chloroplasts into chemical bond energy and stores that energy in sugar and other organic molecules • Synthesis of energy-rich organic molecules (glucose) from energy-poor molecules (CO2 and H2O • Uses CO 2 as a carbon source and light-energy as the energy source. • Directly or indirectly supplies energy to most living organisms cellular respiration photosynthesis ( chloroplast ) H 2 O CO 2 sugar ATP O 2 (mitochondrion) Leaves are the major organs of photosynthesis cuticle Internal leaf structure upper epidermis mesophyll cells lower epidermis chloroplasts bundle sheath vascular bundle (vein) stoma outer membrane inner membrane thylakoid stroma granum (stack of thylakoids) channel interconnecting thylakoids Chloroplast in mesophyll cell Leaves Leaves are the major organs of photosynthesis Chlorophyll is the green pigment that gives a...
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Biol_1001_Chapter_7 - file D C h a p te r 0 7 P r e s e n t...

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