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1953年美国科学家沃森和英国科学家克里克提出了双链DNA分子的双螺旋模型,标志着生物科学进入了分子生物学阶段,从这以后,生物科学的研究和发展突飞猛进。双链DNA分子有着严格的碱基互补配对关系,由此构成了一些等量关系及相关变换公式。数与形的结合,生物科学与数量推理及计算的相逢,由此产生了生物科学的理科之美,而这也作为高考命题者每年用来考查学生的常用素材。应对
In 1953, American scientist Watson and British scientist Crick proposed a double-helix model of double-stranded DNA molecule, marking the entry of biological science into the molecular biology stage. Since then, the research and development of biological sciences have progressed by leaps and bounds. Double-stranded DNA molecules have a strict base pair complementary relationship, which constitutes a number of equivalent relations and related transformation formula. The combination of number and form, biological science and quantitative reasoning and calculation of the reunion, resulting in the scientific beauty of the biological sciences, and this is also used as a college entrance examination proposition every year to examine students commonly used material. response