Deoxyribo Nucleic Acid Dna Model -Mounted On Base is an SSI India product in the BIOLOGICAL MODELS(FIBER AND PLASTIC) category. Key specifications include SKU: ZM20-8. Size 61 x 46 x 5 cm approx. DEOXYRIBONUCLEIC ACID (DNA) Model showing segment of D.N.A. molecule mechanism of replication, to show the double helix