2018_2019学年高中生物第六章细胞的生命历程6.1细胞的增殖细胞不能无限长大每日一题新人教版必修1.doc

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1细胞不能无限长大高考频度: 难易程度:通 过 研 究 细 胞 大 小 与 物 质 运 输 效 率 之 间 的 关 系 , 可 探 讨 细 胞 不 能 无 限 长 大 的 原 因 。 下 列各 项 叙 述 中 错 误 的 是A用含有酚酞的琼脂块浸入 NaOH 溶液中呈紫红色,可显示物质(NaOH)在琼脂块中的扩散速度B相同时间内物质扩散进琼脂块的体积与其总体积之比可以反映细胞的物质运输效率C实验证明,细胞体积越大,相对表面积越大,物质运输越快D实验说明细胞之所以分裂的原因之一是其表面积与体积的关系限制了细胞的继续生长【参考答案】C1下列有关细胞体积小的解释,正确的是A细胞体积小,有利于进行细胞分裂B细胞体积小,有利于扩散和转移C细胞体积小,有利于高效地进行物质交换和信息交流2D细胞体积小,有利于细胞膜上分子的流动2下列有关生物体的体细胞不能无限长大的原因的叙述,错误的是A细胞表面积与体积的关系限制了细胞的长大B受细胞所能容纳的物质制约C细胞较小,相对表面积大,有利于物质的迅速转运和交换D受细胞核所控制的范围大小的制约1【答案】C【解析】细胞体积小,相对表面积大,有利于高效地进行物质交换和信息交流。3

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