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MODEL OF D.N.A. 6003075

(Deoxyribonucleic acid) Model showing segment of D.N.A. molecule mechanism of replication, to show the double helix coiling and reforming, nucleiotides and the structural formula to show the molecular shapes and bonds and angles distorted. Complete model arranged on a board, fully labelled. Overall dimensions 610 x 455 x 65 mm.approx.