bacteria colonies

aeruginosa agar analysis antibiotic antimicrobial aureus bacteria bacterial bacterium biochemistry biology biotechnology blood chemistry chocolate coli colonies colony culture diphtheria diplococcus disease dish escherichia experiment gonorrhea gonorrhoeae infectious klebsiella laboratory macconkey medical microbial microbiology microorganism mycobacterium neisseria petri plate pneumonia pneumoniae pseudomonas research sample science scientific staphylococcus streptococcus test yeast