(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....
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A longitudinal section showing detailed structure of the body wall, nematocysts, hypostome, mouth, tentacles and gastro vascular cavity. Also showing the testes, ovary and a portion of tentacle in T.S....
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(Ribonucleic acid) Model showing R.N.A. molecule, D.N.A. Template molecule of chromosome, role of messenger and transfer R.N.A. colour key and structural formula. The complete model arranged on board,....
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Showing details of internal structure of a typical monocot leaf, mounted on board, with key card. Overall dimensions 420 x 250 x 60 mm.approx. ....
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Showing various tissues, vascular bundles in transverse section of a monocot stem of maize,on board,with key card ....
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Showing complete internal details of the root of smilax, mounted on board,with key card. Overall dimensions 330 x 240 x 65 mm.approx. ....
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Exhibits the various tissues and the scattered closed and collateral vascular bundles in transverse and longitudinal sections in maize.The large pitted vessels,spiral and annular vessels show the anat....
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About 1/10th natural size, showing the topography of muscles,in one piece, on base with key card. ....
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Enlarged approx 2500 times, showing structure with separate modulated nerve fibre as seen under electron microscope, on board, with key card. ....
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AN INVALUABLE AID TO TEACHING & PRESENTATION. Provides a crisp and bright image on the screen in daylight in a room, of any drawing,sketch or writing on a transparent cellophane sheet,or with read....
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