2019版高考生物二轮复习题型增分选择题天天练一(无答案).doc

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1、1选择题天天练(一) 1.下列有关细胞膜上蛋白质功能的叙述,错误的是( )A.作为胞外信号分子的受体 B.催化某些生化反应C.作为离子进出细胞的通道 D.构成细胞膜的基本骨架2.(2018广西防城港一模)下列关于酶和 ATP 的叙述,正确的是( )A.蛋白酶能催化所有的酶水解,导致其活性丧失B.与无机催化剂相比,酶的催化效率不一定高C.旺盛生长的叶肉细胞中,线粒体内膜产生的 ATP 最多D.细胞内发生的吸能反应都由 ATP 水解供能3.(2018陕西榆林三模)赫尔希和蔡斯做噬菌体侵染细菌实验时,分别用放射性同位素标记的噬菌体去侵染未标记的细菌,若噬菌体在细菌体内复制了两代,则下列说法正确的是(

2、 )A.标记噬菌体的方法是分别用含 32P 和 35S 的培养基培养噬菌体B.若 32P 标记组的上清液有放射性,则可能原因是搅拌不充分C.含有 32P 的子代噬菌体和含有 35S 的子代噬菌体分别占子代噬菌体总数的 1/2 和 0D.噬菌体侵染细菌的实验可以证明 DNA 是主要的遗传物质4.(2018安徽安庆二模)如图为甲、乙两人饭后测定血糖浓度的变化情况,相关叙述正确的是( )A.由曲线可知乙为低血糖患者B.甲可能有多饮多尿症状C.乙在进食 1 h 内可检测到尿糖D.可通过口服胰岛素来降低甲的血糖5.十字花科植物可产生芥子油苷及相关代谢产物,对多数昆虫都是有毒的,但却能吸引菜粉蝶前来产卵,

3、其幼虫(菜青虫)也以十字花科植物的茎叶为食。由此无法推断出( )A.进化过程中十字花科植物和菜粉蝶均发生了适应性变异B.借助芥子油苷诱杀雌性菜粉蝶,属于生物防治C.菜青虫能抵御芥子油苷及其代谢产物的毒性D.芥子油苷可以吸引菜青虫的天敌前来捕食6.(2018四川雅安三诊)豌豆子叶的黄色(Y)对绿色(y)为显性,圆粒种子(R)对皱粒种子(r)为显性。某人用黄色圆粒和绿色圆粒的豌豆进行杂交,发现后代性状统计结果为黄色圆粒376,黄色皱粒 124,绿色圆粒 373,绿色皱粒 130。下列说法错误的是( )A.亲本的基因组成是 YyRr 和 yyRrB.F1中纯合子占的比例是 1/4C.用 F1中的黄色圆粒豌豆与绿色皱粒豌豆杂交,得到的 F2有四种表现型D.用 F1中的黄色圆粒豌豆与绿色皱粒豆杂交得到的 F2中,r 基因的频率为 1/3

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