Ключевые слова: agar, analysis, background, bacteria, biology, biotechnology, blood, cell, chemistry, clinical, colony, culture, disease, dish, e coli, epidermic, experiment, germ, glass, glassware, health, healthcare, hygiene, lab, laboratory, media, medical, medicine, medium, micro, micro organisms, microbiology, microscope, petri, petri dish, plate, red, research, sample, science, scientific, smear, spread, test, vaccine, virus, virus cell, white,