Ключевые слова: abstract, background, bacteria, bacterium, biological, biology, biotechnology, cell, cells, closeup, concept, disease, dna, education, epidemic, experiment, genetics, health, infection, lab, laboratory, life, light, macro, medical, medicine, micro, microbiology, microorganism, microscope, microscopic, molecules, nano, nanotech, nature, organic, organism, pattern, pharmacy, research, science, scientific, shape, structure, study, technology, texture, tissue, virus, wallpaper,