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PART A

Cells & Diffusion

TermDefinition
diffusion movement of molecules from areas of high concentration to low concentration
osmosis movement of water molecules from areas of high concentration of water to low concentration of water
permeable allows any molecules to diffuse across membrane
semi-permeable allows certain molecules to diffuse across membrane
non-permeable allows no molecules to diffuse across membrane
smooth endoplasmic reticulum produces and stores fat and oils
nucleolus produces ribosomes
chromosomes proteins that contain DNA which has coded information for making molecules
nucleus controls the growth and reproduction of the cell
ribosomes helps Rough ER make proteins
mitochondria converts sugar into energy for the cell
cell membrane allows certain molecules to go in and out of the cell
cytoplasm fluid in the cell's allows organelles to move around
rough endoplasmic reticulum produces and stores proteins
golgi bodies (apparatus) modifies and packages proteins with enzymes
vacuoles stores minerals, water & vitamins
Lysomes breaks down food, invading bacteria & old damaged organelles
Centrioles spindle fibers come from here
Chloroplasts uses sunlight to make its own food
Cell Wall supports and protects the cell, not allowing any molcules in or out
Created by: HYAARON
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