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Cells and Diffusion

TermDefinition
Nucleus Controls all activities of the cell; growth and reproduction.
Cell Membrane allows certain molecules to go in or out of a cell. Molecules move in or out of a cell. Made up of two phospholipid layers interconnected.
Cell Wall supports and protects the cell does not allow molecules in or out
Chromosomes Proteins that contain DNA which has coded information for making molecules.
Rough Endoplasmic Reticulum produces and stores fats and oils
Smooth Endoplasmic Reticulum helps rough ER make protein attached to rough ER
Ribosomes helps rough ER make more protien is attached to rough ER.
Centrioles helps with cell division (mitosis)
Mitochondria converts sugar into energy for the cell
Cytoplasm Fluid in the cell allows organelles to move around
Vacuole Stores water, minerals and vitamins also much bigger in plant
Lysomes Breaks down food-evading bacteria and kills old/damaged organelles.
Chloroplast uses sunlight to make its own food
Photosynthesis Co^2+H^2O+light=Sugar+O^2
Diffusion movement of molecules from areas of high concentration to low concentration
Osmosis movement of water molecules from high concentration to low concentration of water.
permable allows any molecules to go across to membrane.
semi-permeable allows certain molecules to diffuse across membrane
non-permable allows no molecules to go to membrane.
Created by: ashanth
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