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Cell Processes

four functions of living things grow, obtain nutrients, remove waste, reproduce
diffusion the movement of particles from high concentration to low concentration
Osmosis diffusion of water
hypotonic to grow, lower concentration of water inside cell, so water moves in
semi-permeable only certain substances can pass through
hypertonic cell shrinks, lower concentration of water outside cell, so water moves out
isotonic equilibrium has been reached, cell won't change size
active transport larger particles moving from low concentration to high concentration
passive transport smaller particles moving from high concentration to low concentration
ATP energy
endocytosis "within the cell"
exocytosis "outside the cell"
cellular respiration animal cells using oxygen to break down food (glucose)
photosynthesis plant cells using sunlight, carbon dioxide, and water to make food
active transport requires energy
passive transport does not require energy
cellular fermentation breaks down glucose without the use of oxygen
chlorophyll pigment that absorbs light energy and gives plants its green color
Created by: jacqueline.lair