DNA molecules

Deoxyribonucleic acid, double helix, genetic material, biological structure, nucleic acid, molecular biology, chromosome, gene sequence, genome, heredity, adenine, guanine, cytosine, thymine, nucleotide, polynucleotide, biopolymer, sugar phosphate backbone, base pair, helix model, life science, cell nucleus, replication, transcription, translation, protein synthesis, genetic code, inheritance, bioengineering, biotechnology, molecular structure, science education, biology research, organism, essential macromolecule, molecular design, genetic information, chemical compound, cellular component, base pairing.