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Unformatted text preview: Archaea cell walls: polysacharrides Plasma Membranes Both prokaryotic and eukaryotic cells have plasma membranes Separate cell form its surroundings Prokaryotic cells use the plasma membrane to perform specialized operations compared to eukaryotic cells that have specific organelles for specific functions. Prokaryotic cells have less DNA and they dont put the DNA into a nucleus Eukaryotic cells have associated proteins called histones Organisms are classified by how they obtain energy and how they obtain carbon Energy sources include: light (plants), inorganic material (prokaryotes), and organic material (animals) Carbon sources: carbon dioxide, and organic material Archaea are called extremophiles Extreme halophiles: highly saline environments Extreme thermophiles: very hot environments Other archaea can also live in normal environements...
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