P and R

P and R

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Term Definition
Photosynthesis Photosynthesis is the process in which plants make their own food.
Cellular Respiration The process by which the chemical energy of "food" molecules is released and changed into ATP.
Chloroplast An elongated cell organelle containing chlorophyll where photosynthesis takes place.
Chlorophyll A green molecule which uses light energy from sunlight to change water and carbon dioxide gas into sugar and oxygen.
Glucose C6H12O6 or sugar
Mitochondria Rod-shaped organelles with a double membrane which converts the energy stored in glucose in ATP for the cell.
Photosynthesis equation H2O+CO2+light (arrow) O2+ C6H12O6
Cellular Respiration equation O2+C6H12O6 (arrow) H2O+ CO2+ ATP
Carbon Dioxide CO2
Diffusion The movement of molecules from an area in which they are highly concentrated to an area in which they are less concentrated.
Osmosis The diffusion of water across a selectively permeable membrane.
Active Transport The movement of materials through a cell membrane using cellular energy. It requires the cell to use it's own energy.

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