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Cells & Diffusion

Part A

TermDefinition
Nucleus Found in BOTH cells - Controls all activities of cell; growth & reproduction
Cell Membrane Found in BOTH cells - Allows for certain molecules to go in & out of cell - Molecules diffuse in or out of cell; made of 2 phosphorus layers interconnected
Cell Wall Found in PLANT cells - Supports + protects cell; does not allow molecules in or out
Chromosomes Found in BOTH cells - Proteins that contain DNA which have coded information for making molecules
Rough Endoplasmic Reticulum Found in BOTH cells - Produces & stores proteins
Smooth Endoplasmic Reticulum Found in BOTH cells - Produces & stores fats + oils
Golgi Bodies Found in BOTH cells - AKA Golgi Apparatus - Modifies & packages proteins from Rough E.R. with enzymes
Ribosomes Found in BOTH cells - Helps Rough E.R. make proteins + is attached to Rough E.R.
Centrioles Found in ANIMAL cells - Helps with cell Diffusion (mitosis) - Spindle fibers come from here
Mitochondria Found in BOTH cells - Converts sugar into energy for cell
Cytoplasm Found in BOTH cells - Fluid in cell; allows organelles to move around
Vacuole Found in BOTH cells - Stores water, minerals & vitamins - Much bigger in Plant cells
Lysosomes Found in ANIMAL cells - Breaks down food, invading bacteria & old/damaged organelles
Chloroplasts Found in PLANT cells - Uses sunlight to make its own food using Photosynthesis - CO2 + H2O + light --- sugar (glucose) + O2
Diffusion - Movement of molecules from areas of higher concentration to lower concentration
Osmosis - Movement of water molecules from higher concentration of water to lower concentration of water
Permeable - Allows any molecule to diffuse across Membrane
Semi - Permeable - Allows certain molecules to diffuse across Membrane EX. Cell membrane
Non - Permeable - Allows no molecules to diffuse across Membrane EX. Cell Wall
Created by: taigey_baigey
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