Ключевые слова: agar, analyzing, background, biochemistry, biology, biotechnology, blue, cell, chemical, chemistry, discovery, dish, drop, dropper, drug, education, essential, experiment, extract, fresh, glass, green, health, health care, hemp, herb, herbal, lab, laboratory, leaf, liquid, medical, medicine, microbiology, nature, oil, organic, organism, petri, petri dish, pipet, pipette, plant, research, sample, science, scientific, technology, test, white,