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> 两个生物兴趣小组分别对酵母菌细胞呼吸方式进行了如下的探究实验。请据题分析作答:(1)甲兴趣小组想探究的具体问题是:酵母菌是否在有氧、无氧条件下均能产生CO2。现提供若干套-高三生物
两个生物兴趣小组分别对酵母菌细胞呼吸方式进行了如下的探究实验。请据题分析作答:(1)甲兴趣小组想探究的具体问题是:酵母菌是否在有氧、无氧条件下均能产生CO2。现提供若干套-高三生物
题目简介
两个生物兴趣小组分别对酵母菌细胞呼吸方式进行了如下的探究实验。请据题分析作答:(1)甲兴趣小组想探究的具体问题是:酵母菌是否在有氧、无氧条件下均能产生CO2。现提供若干套-高三生物
题目详情
两个生物兴趣小组分别对酵母菌细胞呼吸方式进行了如下的探究实验。请据题分析作答:
(1)甲兴趣小组想探究的具体问题是:酵母菌是否在有氧、无氧条件下均能产生CO
2
。现提供若干套(每套均有数个)实验装置如图Ⅰ(a~d)所示:
①.请根据实验目的选择装置序号,并按照实验的组装要求排序(装置可重复使用)。有氧条件下的装置序号:___________;无氧条件下的装置序号:______________。
②.装置中c瓶的作用是:
______________
。
(2)乙兴趣小组利用图Ⅱ所示装置(橡皮塞上的弯管为带有红色液滴的刻度玻璃管),探究酵母菌的细胞呼吸类型。
①.想得到实验结论还必须同时设置对照实验,请问对照实验装置(假设该装置编号为Ⅲ)如何设计?______________________。
②.请预测与结论相符合的现象,并填写下表:
题型:实验题
难度:中档
来源:期中题
答案
(1)①.c→a→b(或“c→b→a→b”) d→b ②.吸收空气中CO2,排除其对实验结果的干扰(其他合理答案亦可)
(2)①.装置Ⅲ除用等量清水代替NaOH溶液外,其他设计与装置Ⅱ相同。 ②.①向左移动 ④.向右移动 ⑤.向左移动
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题目简介
两个生物兴趣小组分别对酵母菌细胞呼吸方式进行了如下的探究实验。请据题分析作答:(1)甲兴趣小组想探究的具体问题是:酵母菌是否在有氧、无氧条件下均能产生CO2。现提供若干套-高三生物
题目详情
(1)甲兴趣小组想探究的具体问题是:酵母菌是否在有氧、无氧条件下均能产生CO2。现提供若干套(每套均有数个)实验装置如图Ⅰ(a~d)所示:
②.装置中c瓶的作用是: ______________ 。
(2)乙兴趣小组利用图Ⅱ所示装置(橡皮塞上的弯管为带有红色液滴的刻度玻璃管),探究酵母菌的细胞呼吸类型。
①.想得到实验结论还必须同时设置对照实验,请问对照实验装置(假设该装置编号为Ⅲ)如何设计?______________________。
②.请预测与结论相符合的现象,并填写下表:
答案
(2)①.装置Ⅲ除用等量清水代替NaOH溶液外,其他设计与装置Ⅱ相同。 ②.①向左移动 ④.向右移动 ⑤.向左移动