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Cells & Diffusion

Part A

TermDefinition
Golgi Apparatus Modifies and packages proteins from rough ER with enzymes.
Mitochondria Converts sugar into energy.
Nucleus Controls all activities of the cell; growth and reproduction
Cell Membrane allows certain molecules to go in or out of a cell, made up of 2 phosphorus layers interconnected.
Cell Wall Supports & Protects the cell; does not allows molecules in or out. Only found in Plant Cells.
Chromosomes Proteins that contain DNA which has coded information for making molecules.
Rough Endoplasmic Reticulum Produces and Stores Proteins.
Smooth Endoplasmic Reticulum Produces and Stores fats / oils.
Ribosomes helps rough ER make proteins, is attached to the rough ER.
Centrioles Helps with cell division (Mitosis), spindle fibers come from here. Only found in animal cells.
Cytoplasm Fluid inside the cell; allows organelles to move around
Vacuole Stores water, minerals & vitamins, Much bigger in Plant cells
Lysosomes Breaks down food, invading bacteria, old damaged cells. Only in Animal cells.
Chloroplasts Uses sunlight to make its own food, Photosynthesis. CO2 + H20 + light --> Sugar + O2
Diffusion Movement of molecules from areas of high concentration to low.
Osmosis Movement of water molecules from high concentration of water to low concentration of water.
Permeable Allows any Molecule to diffuse across membrane
Semi - Permeable Allows some molecules across the membrane
Non - Permeable No Molecules allowed to cross
Created by: sprite_cookies
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