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Prokaryotic Cells

Prokaryotic Cells Prokaryotes – Two types Bacteria Found everywhere on earth Some bacteria can make you sick ▫ Streptococcus - Strep throat Some bacteria

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Prokaryotic and Eukaryotic Cells

Cell WallTough but flexible outside layer of a prokaryotic cellHelps give prokaryotes structureCell Wall (yellow)

Plasma Membrane (Green)Plasma MembraneA flexible membrane that sits below the cell wallSelectively permeableImportant in talking with other cells

CytoplasmThe gel like fluid inside a cell Made up mostly of waterImportant for the movement of molecules inside the cellCytoplasm

Archaea First found living in extreme environmentsThermal vents, and volcanic hot springs

Have now been found to live in many different environmentsIn the ocean, soil, fresh water, and others

NucleoidThe Nucleoid is the region of DNA in a prokaryotic cellIt is not surrounded by a membraneThe DNA is free floating in the cytoplasm Nucleoid

FlagellaHelps the prokaryote to moveAlso helps the prokaryote to sense temperatures and chemicals in its environment

Flagella

RibosomesMake proteins. Proteins are responsible for many different jobs inside of cells.

Ribosomes