Type of cells

Jun 28th, 2015
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Type of CellsProkayotes-Pro mean before nucleus or karyon.- Prokaryotes are small around 5- 10 um and lack membrane-bound organelles. It is the earliest cell type.ArchaeaThey are once thought to be prokaryotes, and their overall size is relatively small around 5 to 10 um.They lack membrane-bound organelles, and usually live in extreme environments ( thermophiles, halophiles, etc)Eukaryotes They are true karyon or nucleus. They contain membrane bound organelles and evolved from prokaryotes by endosymbiotic association of two or more prokaryotes. They include protists, fungi, animals, and Plants. Features of Prokaryotic Cells includes a capsule and an outer sticky protective layer. The cell wall is a rigid structure which helps the bacterium maintain its shape, and is totally different than the cell wall of the plant cell. The plasma membrane separate the cell from the environment and the mesosome is an infolding of plasma membrane to help in compartmentalization. The nucleoid is a region where naked DNA is found. The cytoplasm consists of a semi-fluid cell interior with no membrane bound organelles. The cytoplasm is a location of ribosomes for protein synthesis an

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