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Cells and Diffusion

Part A

TermDefinition
Nucleus Contains all activities of the cell. Includes growth and function.
Cell Membrane Allows certain molecules in or out of the cell. Molecules diffuse in or out of the cell. Made up of a 2 phosphorus layers interconnected.
Cell Wall Supports and protects cell does not allow molecules to go in or out of cell.
Chromosones Proteins that contain DNA which has coded information for molecules.
Rough Endoplasmic Reticulum Has the function of storing and producing products.
Smooth Endoplasmic Reticulum Has the function of storing fats and also oils
Golgi Bodies Modifies and packages proteins from rough ERs with enzymes
Ribosomes Helps rough ERs to make proteins, attached to the Rough ER.
Centrioles Helps with cell division, where spindel fibres come from.
Mitochondria Converts sugar into energy for the cell.
Cytoplasm Fluid in the cell. Allows organelles to move around.
Vacuole Stores water, minerals and vitamins. Much bigger inside of plant cells.
Lysosomes Breaks down; food, bacteria, and old / damaged organelles
Chloroplasts Uses sunlight to make its own food, CO2 + H2O + light = sugar
Diffusion Movement of molecules from areas of high concentration to low concentration.
Osmosis Movement of water molecules from high concentration of water to low concentration of water.
Permeable Allows any molecule to diffuse
Semi-permeable Allows certain molecules to diffuse
Non-permeable Allows no molecule to diffuse across the membrane
Created by: Nehilen
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