Ключевые слова: biology, biotechnology, blank, blood red, care, chemical, chemistry, clean, closeup, concept, covid, culture, dish, dna, empty, equipment, experiment, glass, isolated, lab, laboratory, liquid, macro, medical, medicine, microbiology, moisture, no people, petri, petri dish, pharmaceutical, research, sample, science, science and technology, scientific, serum, test, top, top view, transparent, view, virus, white,