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Cells

Cells Bio gr10

TermDefinition
Nucleus Controls all functions and activities of the Cell (It is the brain of the cell)
Cell membrane It allows certain molecules go in and out of the cell Made Up of 2 phosphorus layers interconnected
Cell wall Supports and protects the cell; does not allow molecules to diffuse (in Plants Only)
Chromosomes Proteins that contain DNA which has coded info for making molecules
Rough ER (endoplasmic Reticulum ) Produces and stores proteins
Smooth ER Produces and stores fat
Golgi Bodies Modifies and packages proteins from rough ER with enzymes
Ribosomes Helps rough ER make proteins (these are the small dots connected to rough ER)
Centrioles Helps with mitosis (only in Animal Cells) Spindle fibres connect from here
Mitochondria Converts sugar into energy
Cytoplasm Fluid inside the cell; allows organelles to move
Vacuole Stores water, minerals and vitamins
Lysosomes Breaks down food, invading bacteria and old/damaged cells (only in animal)
Chloroplasts Uses sunlight to make its food (photosynthesis) (only in plant Cells)
Formula of Photosynthesis CO2 + H2O +Light ---> sugar + O2
Diffusion Movement of Molecules from areas of low to high concentration
Osmosis Movement of water molecules from areas of low to high concentration (diffusion for water)
Permeable Any molecule can go through cell membrane
Semi permeable some molecules can go through cell membrane
Non Permeable no molecules can go through cell membrane
Created by: aaw787
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