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1、第三单元 细胞的生命历程、细胞工程、生殖和发育 第7课时 细胞增殖,细胞周期,连续,下一次分裂,间期,不同,间期,细胞增殖的方式有丝分裂,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,连续分裂,高度分化,回扣基础,突破考点,检测落实,练出高分,时期,图像,主要特点,分裂间期,前期,中期,后期,末期,DNA分子的复制,蛋白质,染色体,核膜,着丝点,赤道板,着丝点,姐妹染色单体,核膜和核仁,染色质,核仁,数目,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,巧 记 速 记,纺锤体,末期,回扣基础,突破考点,检测落实,练出高分,核延长
2、,纺锤丝,染色体,两个子细胞,无丝分裂,回扣基础,突破考点,检测落实,练出高分,网 络 构 建,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,(2)直线图分析,(3)曲线图,(4)柱形图分析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,答案,回扣基础,突破考点,检测落实,练出高分,解析,答案,回扣基础,突破考点,检测落实,练出高分,B,解析,答案,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础
3、,突破考点,检测落实,练出高分,DAN数（2C）,染色单体数,染色体数（2N）,同源染色体对数,染色体组数,间期 前期 中期 后期 末期,2C4C 4C 4C 4C 2C,04N 4N 4N 4N0 0,2N 2N 2N 2N4N 2N,2 2 2 4 2,N N N N2N N,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,(5)染色体行为变化规律,回扣基础,突破考点,检测落实,练出高分,4.与有丝分裂有关的细胞器及相应的生理作用,回扣基础
4、,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,答案,回扣基础,突破考点,检测落实,练出高分,解析,答案,回扣基础,突破考点,检测落实,练出高分,C,解析,答案,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,注：“”表示已操作，“”表示未进行该
5、操作。,回扣基础,突破考点,检测落实,练出高分,解析,第1组同学制作装片时未解离，细胞重叠，影响观察。第2组同学未漂洗，解离过度，染色后细胞内着色范围广，染色体着色很浅，模糊不清。第3组同学未染色，观察不到染色体的存在。,回扣基础,突破考点,检测落实,练出高分,方法体验系列7,正确识别有丝分裂图像、坐标曲线,回扣基础,突破考点,检测落实,练出高分,ah,有丝,后,染色体的着丝点分裂,姐妹染色单体分开成为染色体,6,它们是由同一条染色体复制后分离形成的,并在纺锤丝的牵引下向细胞两极移动,回扣基础,突破考点,检测落实,练出高分,ef,ce,如图所示,回扣基础,突破考点,检测落实,练出高分,解析,回
6、扣基础,突破考点,检测落实,练出高分,易错警示系列8,对有丝分裂析图绘图辨析不清,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,解析,回
7、扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,回扣基础,突破考点,检测落实,练出高分,使组织中细胞相互分离开来,先在低倍镜下观察，缓慢移动装片，发现理想视野后换用,碱,每组装片观,0.01%,高倍镜,察多个视野,回扣基础,突破考点,检测落实,练出高分,0.01%秋水仙素溶液诱导24 h，再在清水中培养36 h,秋水仙素处理发生在上一个细胞周期纺,锤体形成之后,回扣基础,突破考点,检测落实,练出高分,解析,回扣基础,突破考点,检测落实,练出高分,解析,解析,回扣基础,突破考点,检测落实,练出高分,1,2,3,4,5,6,7,8,9,10,11,12,13,14,1
8、5,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,1
9、7,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,C,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,A,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,
10、1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,A,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,C,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,D,
11、1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,D,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,后,4,
12、4,4,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,和是在有,丝分裂间期由1个DNA分子复制而来的,(3)如图1所示 (4)如图2所示,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,b,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,100,a、c,分裂期染色体高度螺旋化,不能解旋并转录,d,形成mRNA,且原来的mRNA不断被分解,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,分生区,解离漂洗染色制片,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,212,A,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,解离时间不足,分裂间期,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,
