Wednesday, December 5, 2007

Sunday, December 2, 2007

Cellular Respiration














Cellular Respiration
is the process by which food molecules react with oxygen and are broken down to carbon dioxide and water with net gain of captured energy in the form of ATP molecules.

Photosynthesis


Photosynthesis is the process in which plants and other organisms take light energy and convert it to chemical energy in the form of carbohydrates.