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do snakes have salmonella ?
how big is e coli ?
which structure protects bacteria from being phagocytized ?
does chicken have salmonella ?
how common is e coli in well water ?
are bacteria and fungi the same ?
does cooking kill salmonella on onions ?
how did theodor escherich discover e coli ?
are bacteria autotrophs or heterotrophs ?
does cooking kill salmonella onions ?