高中生物第4章遗传的分子基础第2节DNA的结构和DNA的复制第二课时DNA分子的复制省公开课一等奖新.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,第四章 遗传分子基础,第二节,DNA,分子结构和复制,第,2,课时,DNA,分子复制,1/63,2/63,亲代,DNA,分子,子代,DNA,分子,3/63,有丝分裂间期,减数第一次分裂间期,细胞核,两条链,4,种脱氧核苷酸,ATP,解旋酶,DNA,聚合酶,4/63,能量,解旋酶,解开,母链,脱氧核苷酸,DNA,聚合酶,碱基互补配对,双螺旋结构,5/63,解旋,半保留,双螺旋结构,碱基互补配对,遗传信息,遗传信息,6/63,同位素示踪法,大,小,居中,7/63,一次,两次,底,上,中,8/63,全部重,全部中,母,子,半保留,9/63,10/63,11/63,12/63,13/63,DNA,分子复制过程及特点,14/63,15/63,16/63,17/63,18/63,19/63,20/63,21/63,22/63,23/63,24/63,25/63,26/63,27/63,28/63,DNA,复制方式证实及相关计算,29/63,30/63,31/63,32/63,33/63,34/63,35/63,36/63,37/63,38/63,39/63,40/63,41/63,42/63,43/63,44/63,45/63,46/63,47/63,48/63,49/63,50/63,51/63,52/63,53/63,54/63,55/63,56/63,57/63,58/63,59/63,60/63,61/63,62/63,谢谢观看,63/63,