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

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