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

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