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CELLS &CELL PARTS

BASIC INFORMATION I NEED TO KNOW

TermDefinition
CELL basic units of all living things
CELL ORGANIZATION cells-tissues-organs-organ systems
PROKARYOTES cells without membranes bounded structures, much smaller in size than eukaryotes and have circular DNA strand-they still have ribosomes to make protein-Example:Bacteria Cells
EUKARYOTES cells with membrane bound structure, Have linear DNA strands found in a membrane bound nucleus EX:Plants, animals, fungi cells
ORGANELLES small parts of a eukaryotic cell that have specific function
PLASMA MEMBRANE (CELL MEMBRANE)-controls what enters and leaves a cell; Structure-a flexible, fluid like lipid bilayer, contains proteins that allows for the movement of certain molecules
CELL WALL an inflexible barrier that protects and gives plant cells support; structure-a porous, fibrous structure made of cellulose
NUCLEUS control center of the cell-contains the directions to make proteins; Structure-contains chromatin (strands of DNA)
RIBOSOMES site of protein assembly; Structure-can be free floating or attached to the surface of a membrane called the ER,primary components is a RNA molecule
VACUOLES used for temporary storage of materials or water, much larger in plant cell
MITOCHONDRIA converts glucose into ATP(energy that can be used by the cell); Structure-rod shaped with an inner membrane that is folded
PLANT CELLS VS.ANIMALS CELLS PLANT CELLS HAVE CHLOROPLASTS, A CELL WALL AND A LARGE VACUOLE ANIMAL CELLS LACK CHLOROPLASTS AND CELL WALKS AND COME IN MANY SHAPES AND SIZES THE STRUCTURE OF AN ANIMAL CELL DETERMINES ITS FUNCTIO
Created by: MalekaStanford
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