生物化學(xué)第三章核酸(1)(更新版)
【正文】 ，前者配對(duì)形成二個(gè)氫鍵，后者配對(duì)形成三個(gè)氫鍵； DNA 雙螺旋二級(jí)結(jié)構(gòu)的穩(wěn)定因素： 氫鍵 堿基堆積力 離子鍵 Diagram of semiconservative replication. Parental DNA is shown in blue and newly synthesized DNA in red. [After M. Meselson and F. W. Stahl. Proc. Natl. Acad. Sci. . 44(1958):671.] Citations per year of Watson and Crick39。AMP) (3180。 DNA雙螺旋二級(jí)結(jié)構(gòu) The Nobel Prize in Physiology or Medicine 1962 for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material Francis Harry Compton Crick James Dewey Watson Maurice Hugh Frederick Wilkins DNA堿基組成的定量分析 20世紀(jì) 40年代 chargaff規(guī)則 ① DNA堿基組成有種的特異性，但沒(méi)有組織、器官特異性。 stamp, designed by Mark Curtis (1999–2022), from the UK Royal Mail39。Rich等人發(fā)現(xiàn)了左旋 DNA（左手DNA雙螺旋結(jié)構(gòu)）
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