probiotics bacteria . biology, science microscopic medicine. digestion stomach escherichia coli, treatment, health care

halophiles binaryfission flagella harmful sell grampositive plasmids decomposers bacillus geneticmaterial aerobic shapes beneficial spiral nitrogen metabolism resistance coccus nitrogenfixation microbiome bacteria microflora antibiotic extremophiles colonies prokaryotes growth microscopic organisms infection germs replication thermophiles pathogens gramnegative cellwall microbes symbiotic microorganisms reproduction dna methanogens division pathogenic cells probiotic unicellular acidophiles anaerobic ai generated