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1、第8课时 细胞的分化、癌变和衰老,步步高 大一轮复习讲义,生物 桂,相同细胞,稳定性差异,不可逆性,细胞的分化及全能性,个体发育,专门化,遗传信息,选择性,mRNA,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,已经分化,完整植株,细胞核,分裂和分化,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,减少,变小,新陈代谢速率,活性降低,酪氨酸,逐渐积累,体积,固缩,通透性改变,物质运输,加深,细胞衰老的特征,巧 记 快 记,回扣基础,突破考点,检测落实,练出高分,细胞分化,机体,恶性增殖,无限增殖,形态结构,糖蛋白,黏着性,细胞癌
2、变,回扣基础,突破考点,检测落实,练出高分,物理,原癌基因,细胞周期,化学,病毒,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,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,D,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,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
3、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,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,AD,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,失控,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
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,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,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,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,方法体验系列8,细胞癌变与人体健康,回扣基础,突
5、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,细胞变,糖蛋白等物质减少,线粒体、核糖体(其他正确答案也可),转录,成球形,回扣基础,突破考点,检测落实,练出高分,环境中致癌因子损伤细胞中的,等量的3H标记的胸腺嘧啶脱氧核苷酸和药物X,A组的放射性强度大于B组,DNA,使原癌基因激活,导致正常细胞生长和分化失控,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,易错警示系列9,易混淆细胞分化、衰老和癌变的特点,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
6、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,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,A,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,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,A,解析,答案,回扣基础,突破考点,检测落实,练
7、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,D,解析,答案,回扣基础,突破考点,检测落实,练出高分,细胞增殖,细胞分化,遗传信息或染色体数,不能,控制合成血红蛋白的基因未表达,回扣基础,突破考点,检测落实,练出高分,全能,a,色素,原癌基因激活,mRNA,蛋白质,基因控制的程序性死亡,回扣基础,突破考点,检测落实,练出高分,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,1
8、0,11,12,13,14,15,16,17,B,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,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,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
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,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,C,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,1
10、0,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,B,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,D,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,D,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,1
11、0,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,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,B,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,
12、11,12,13,14,15,16,17,B,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,化疗不具有特异性,而人体内的免疫系统具有,特异性,细胞膜上糖蛋白减少,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,将实验小鼠平均分为A、B两组,每组雌雄各5只,A组每天提供普通饲料和一定量的口服制剂,B组,每天提供等量的普通饲料和水,1,2,3,4,5,6,
13、7,8,9,10,11,12,13,14,15,16,17,若两组小鼠的重要器官健康状况一致,说明该口服制剂对,机体内重要器官不产生不良影响；若A组小鼠的重要器官,健康状况远远差于B组小鼠,则说明该口服制剂对机体内,重要器官有一定的毒害作用,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,细胞分化,物理致癌因子,化学致癌因子,病毒致癌因子,植物组织培养,植物细胞的全能性,无性,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,脱分化,愈伤组织,
