Science Educational Double DNA Model Biological Molecular Teaching Aid Ins.
Feature: \n 1. Ideal model for teaching, for students, for the education of biological class and lboratory research.\n2. Vivid and detailed image, restore the details of DNA model, give the students deepest effect on the biology class.\n3. Training color recognition ability, hand capacity and imagination, \n\nmotivate potential.\n4. Smooth surface of the model without burrs, without damage to children's hands, effectively develop children's intelligence.\n5. It is a demonstration model of biology teaching in school and can also be used as reference for biology major in colleges and universities. \n\nSpecification: \n\nCondition: 100% Brand New\nItem Type: DNA Model\nMaterial: PVC\n\nUse:\n1. The base is connected to deoxyribose with a thick rod.\n2. Phosphoric acid is connected to deoxyribose by a thin rod. \n3. The bases should be paired, A to T, C to G.\n4. The ratio of bases in the molecular structure of DNA is (A+G) /(T+C)=1.\n5. Polynucleotide double chains, rotating 360\u:
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