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BACTERIAL GROWTH final.ppt
Growth Factors Some bacteria require certain organic compounds in minute quantities – Growth Factors OR Bacterial Vitamins. It can be : Essential – when growth does not occur in their absence. Accessory – when they enhance growth, without being absolutely necessary for it. Dr. Shyamal Kr Paul 36
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Prof. Dr. Md. Akram Hossain March 09
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Physical and Chemical Agents for Microbial Control
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mmc.gov.bdThe Alternative Complement Pathway • Activation of the alternative complement pathway begins when C3b (or C3i) binds to the cell wall and other surface components of microbes . C3b can also bind to IgG antibodies. Factor B then combines with the cell -bound C3b to form C3bB. Factor D then splits the bound Factor B into Bb and Ba, forming C3bBb .
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