bacterial morphologies2012 by: miss ebtehal . o . bassaife

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Bacterial morphologies and arrangements

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  • 1. Bacterialmorphologies and arrangements

2. Discovery of bacteriaDiscoverer of bacteria is Anthony Van Ivihokin 1674 he recorded his first observations onthe microbes. although he did not know whatyou discovered exactly, it is first pointed out,after 200 years through the world the greatFrench Pasteur 3. WHAT ARE BACTERIA?1- Are living things belong to a group all bythemselves ,they are neither plants noranimals.2- They are very small , not more than onesingle cell ,3- there are normally millions of themtogether, 4. Classification of bacteriaBacteria can be classified based on the following:1- External shape of the cell and grouping(morphology).2-Response to the Gram stain (Gram negative or Gram-positive)3-Feeding method (Parasitism ,Saprophytic, Symbiotic )4- Flagella : (Flagellated) or (non-flagellated)5-Formation of spores. 5. Morphology one Tow One Vibro Untidy Bacilli (Elongated) tow SpirillaCooci (round) tidy tidySpiral 6. Cooci +bacilli = coocubacillus+= 7. Do you think ?your desktop more dirtier than the toilet?Right. The desktop has more bacteria than the toilet by 400 times . because people do not clean their offices as cleaning the bathrooms.!! Does not consider many of theseharmful bacteria. 8. Do you think ?A restroom door handle in a public place is full of germs more than other places ?Wrong!! . Door handles contain the smallest number of bacteria compared with the inner surfaces in the restroom 9. Do you think ?You can be infected by bacteria ofwalking barefoot in the sports clubsand swimming pool?Right!! . Because it is transmittedfrom contaminated water to between fingers and soles of the feet 10. Do you think ? paper money and coins of the dirtiest things around us?wrong!! . They dose not allow to the bacteria to grow on it and the metal pieces are anti-bacterial. 11. While were learning about thebacteria some other people become a friends to them and thy create Bacteria Art 12. And they sing a songs to them 13. Thanks for you attentionDone by ..Ebtehal . O . bassaife