3.8 Photosynthesis (1)

3.8 Photosynthesis (1) - 3.8 Photosynthesis 1 Green plants...

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3.8 Photosynthesis 1. Green plants use the energy of sunlight to produce sugars from the inorganic raw materials carbon dioxide and water by a process called photosynthesis. The waste product is oxygen. Photosynthesis occurs in plant cells that contain organelles called chloroplasts. Here energy of light is trapped by the green pigment chlorophyll, and becomes the chemical energy in molecules such as glucose and in ATP. Light energy is transferred to organic compounds. 2. The following are the equations for the two reactions: + + + 6CO2 6H2O light C6H12O6 6O2 + + + C6H12O6 6O2 6CO2 6H2O light The difference between the two reactions is one is where food is made, and the other is where the food is used to release stored energy. 3. The metabolic fates of glucose in the plant are: energy, carbon dioxide, storage, cellulose, proteins and vitamins. (For more fates refer to p 82) 4. Light is a form of the electromagnetic radiation produced by the sun. Violet, blue, green, yellow, orange and red light make up visible light. Blue and red light is absorbed whereas green light is
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This note was uploaded on 09/24/2010 for the course LIFESCI 1AO3 taught by Professor Gillian during the Fall '08 term at McMaster University.

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3.8 Photosynthesis (1) - 3.8 Photosynthesis 1 Green plants...

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