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

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