colony characteristics of escherichia coli e. coli.

agar anaerobic analysis antimicrobial background bacteria bacterium biology biotechnology characteristics coli coliform colony culture danger disease dish drug endo equipment escherichia evaluation expertise germ gold gram green growth health infect inspection intestine isolated laboratory les macconkey macro medical medicine metallic microbe microbiology microorganism microscope negative pathogen petri plate probe prokaryote purple red research resistance rod safety sample science scientific shaped technology test