Ключевые слова: background, bases, biochemistry, biology, biotechnology, blue, cell, chain, chemical, chemistry, chromosome, closeup, code, colorful, copy, dna, doctor, education, female, gene, genetic, genetics, genome, hand, health, helix, human, laboratory, life, light, medicine, microbiology, model, molecular, molecule, nitrogenous, nucleobases, nucleotide, person, research, science, scientific, scientist, shape, space, spiral, structure, study, text, woman,