Q2  a)    Identify how pilli play its role to facilitate colonisation of icrobial cells and causes infection to the host cell.

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A:

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A: Introduction Salmonella typhimurium is a gram negative bacteria. It can colonize the intestine of…

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A: mumps is a highly contageous disease . it is caused by a virus .

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A: microorganisms can enter our body via many routes.

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A:

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