Ключевые слова: alternating organic, atom, atomic, atoms, bio, chemical, chemist, chemistry, chromosomes, cloning, construction, deoxyribonucleic, dna, dna background, dna chain, dna helix, dna molecule, dna sequencing, dna smile, dna spiral, dna strand, formula, gene, genetic, genetics, genome, illustration, macromolecule, medical, medicine, micro, molecular, science, structures, substance,