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B6 Summary Created on 6/10/2012 3:30:00 PM




B6 ­ Summary
Bacteria
Bacteria are microscopic organisms. Some bacteria are harmful while others have many
useful uses. Bacteria have 4 main shapes these are:
1. Spherical
2. Rod
3. Spiral
4. Curved Rod
Harmful Bactria is treated and destroyed by antibiotics which…

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B6 Summary Created on 6/10/2012 3:30:00 PM




Bacteria are involved in the nitrogen cycle which revolves around the 3 main types:
1. Denitrifying bacteria ( Converts nitrates back into nitrogen gas )
2. Nitrifying bacteria ( Converts ammonia into soluble nitrates ­ Nitrosomonas and
Nitrobacter)
3. NitrogenFixing Bacteria ( Converts…

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