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

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