Viruses and Bacteria - by themselves as they have the power...

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By Hamza Baig
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Viruses and Bacteria
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Viruses A virus is a small infectious agent that can replicate only inside the living cells of organisms. The study of viruses is known as virology. Viruses are too small to be seen by the naked eye.
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Viruses The biggest known viruses are Mimi viruses, which are 400 nanometers (0.0004 millimeters) The smallest known viruses are circoviruses, which are 20 nanometers (0.00002 millimeters) in diameter.
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Bacteria Bacteria are organisms made up of just one cell. They are capable of multiplying
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Unformatted text preview: by themselves, as they have the power to divide. • Bacteria exist everywhere, inside and on our bodies. Most of them are completely harmless and some of them are very useful. • But some bacteria can cause diseases Types on basis of shape • Sphere shaped bacteria are called cocci • Rod shaped bacteria are called bacilli • Spiral shaped bacteria are called spirilla • Comma shaped bacteria is vibrios Bacteria Multiplication song • http://www.youtube.com/watch?v=5Xi2Nc1Uic...
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This note was uploaded on 01/17/2012 for the course MASS COMMU 107 taught by Professor Masror during the Spring '11 term at College of E&ME, NUST.

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Viruses and Bacteria - by themselves as they have the power...

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