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Cells and Diffusion

Cells and their definitions

TermDefinition
Nucleus controls all activities of the cell; growth and reproduction
Cell Membrane allows certain molecules to go in/out of the cell, molecules diffuse in/out of a cell, made up of 2 phosphorus layers (interconnected)
Cell Wall Supports/protects the cell, does not allowed molecules in or out
Chromosomes proteins with DNA that have coded information for making molecules
Rough Endoplasmic Reticulum produces/stores proteins
Smooth Endoplasmic Reticulum produces/stores fats and oils
Golgi Bodies modifies and packages proteins from rough ER with enzymes
Ribosomes is attached to and helps rough endoplasmic reticulum make proteins
Centrioles helps with mitosis (cell division), spindle fibers come from here
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 in plant cells
Lysosomes breaks down; food, invading bacteria and old/damaged organelles
Chloroplasts uses sunlight to make its own food; photosynthesis
Diffusion movement of molecules from areas of high concentration to low concentration
Photosynthesis CO2+H20+light= Sugar+O2
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 certain molecules to diffuse across membrane (cell-membrane)
Non-permeable allows no molecules to diffuse across membrane (cell-wall)
Created by: ishita.s
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