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Transcript
Biology Microbes / Classification 2012 – 2013 #4 I. Bacterial anatomy A. Cell Wall = not like that of a plant 1. Gram + have typical cell wall - stain purple 2. Gram - have an extra lipid layer - stain red - are more antibiotic resistant B. Capsule = protects the bacteria and allows it to stick C. Cell (plasma) membrane = holds the interior of cell D. Pili – short extension of the cell membrane that help the cell attach(Velcro) E. Flagella = “tail” that allows the cell to move F. Hyaloplasm = fluid inner portion of the cell 1. nucleoid = area with the DNA (no nucleus) 2. plasmid = short, linear strand of DNA 3. ribosomes = allow the bacterium to make protein flashmedia.sdstate.edu/vod/igrow/gram/preloader_v01.swf