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Procryotes & Eucryotes

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similarities & differences between prokaryote & Eukaryotes
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  Bacteria Mr. Pradeep Bawane Assistant Professor  SVKM’S Institute of Pharmacy, Dhule  Introduction to Bacteria ã Bacteria (singular: bacterium) are relatively simple, single- celled (unicellular) organisms. Because their genetic material is not enclosed in a special nuclear membrane, bacterial cells are called prokaryotes (pro-kar'e-ots), from Greek words meaning  prenucleus. Prokaryotes include both bacteria and archaea. ã Size: 0.75-4 microns. ã Shapes: ã cylindrical (rod-shaped) ã spherical (coccoid) ã a single twist (vibrios) ã many twists like a corkscrew (spirochaetes).  Classification ã On the Basis of Gram Staining ã On the basis of spores ã On the basis of capsule ã On the basis of flagella ã On the basis of acid fast staining ã On the basis of biochemical reaction ã On the basis of environment ã On the basis of shape
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