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Cells and Diffusion

Part A

TermDefinition
Nucleus controls activities and growth and reproduction of cells
Cell membrane allows certain molecules to go in or out of the cell molecules diffuse in or out of cell made up of 2 phosphorous layers interconnected
Cell wall supports and protects the cell does not allow molecules in or out only in plants
Chromosomes proteins that contain DNA which has coded information for making molecules
Rough Endoplasmin Reticulum produces and stores protein
Smooth Endoplasmic Reticulum produces and stores fats and oils
Golgi Bodies modifies and packages proteins from rough endoplasmic reticulum with enzymes
Ribosomes helps rough endoplascmic reticulum make protein
Centrioles helps with cell division (mitosis) spindal fibres come from here only in animals
Mitochondria converts energy into sugar
Cytoplasm fluid inside of cell which allows organelles to move around
Vacuole stores water minerals and vitamins much bigger in plant cells than animal cells
Lysosomes breaks down food, invading bacteria and old/damaged organelles only in animals
Chloroplasts uses sunlight to make its own food only in plants
Diffusion movement of molecules from areas of high concentration to low concentration
Osmosis movement of water molecules from high concentration of water to lower concentration of water higher concentration inside the cell to lower concentration inside the cell
Permeable allows any molecule to diffuse across membrane
Semi-permeable allows certain molecules to diffuse across membrane
Non-permeable allows no molecules to diffuse across membrane
Created by: hamza1234
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