suitable for KS3+. Affordable, easy-to-understand replica of the 'molecule of life'. At last - a realistic DNA model that fits within your budget! Your students will construct their own double helix model complete with cytosine, adenine, guanine and thymine nucleic acid bases; connecting phosphate strands; and a centre rod representing hydrogen bonds. Easy-to-assemble, three-dimensional model is made of durable plastic components for years of classroom use. Colourcoded parts feature specially shaped ends to
ensure proper base pair alignment and can be unzipped to demonstrate DNA replication. Features sturdy, metal base for easy rotation and classroom display. Size: 19ﾔ H x 7.5ﾔ D.