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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,请分析回答(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(每套-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,请分析回答(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(每套-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,请分析回答(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(每套-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,请分析回答
(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)实验装置如图甲(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)。有氧条件下的装置顺序:____(用箭头和图中序号表示); 无氧条件下的装置顺序:________(用箭头和图中序号表示)。
②.装置中c瓶的作用是________,b瓶中澄清的石灰水还可用__________代替。
③.在温度和pH都相同的情况下,影响酵母菌细胞呼吸方式的外界因素主要是____________________。
(2)乙兴趣小组利用图乙所示装置(橡皮塞上的弯管为带有红色液滴的刻度玻璃管),探究酵母菌细胞呼吸方式。
①.要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(假设该装置编号为丙)如何设计?________________________________。
②.若装置乙中红色液滴向左移动,装置丙中红色液滴不移动,说明酵母菌细胞呼吸方式是__________。
③.若酵母菌消耗的O
2
为3mol/L,而释放的CO
2
为9mol/L,则酵母菌无氧呼吸消耗葡萄糖的量是有氧呼吸的_______倍。
题型:实验题
难度:偏难
来源:吉林省期末题
答案
(1)①.c→a→b(或c→b→a→b) d→b
②.吸收空气中的CO2,排除其对实验结果的干扰 溴麝香草酚蓝水溶液 ③.氧气
(2)①.装置丙除用等量清水代替NaOH溶液外,其他设计与装置乙相同 ②.只进行有氧呼吸 ③.6
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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,请分析回答(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(每套-高三生物
题目详情
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)。有氧条件下的装置顺序:____(用箭头和图中序号表示); 无氧条件下的装置顺序:________(用箭头和图中序号表示)。
②.装置中c瓶的作用是________,b瓶中澄清的石灰水还可用__________代替。
③.在温度和pH都相同的情况下,影响酵母菌细胞呼吸方式的外界因素主要是____________________。
(2)乙兴趣小组利用图乙所示装置(橡皮塞上的弯管为带有红色液滴的刻度玻璃管),探究酵母菌细胞呼吸方式。
①.要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(假设该装置编号为丙)如何设计?________________________________。
②.若装置乙中红色液滴向左移动,装置丙中红色液滴不移动,说明酵母菌细胞呼吸方式是__________。
③.若酵母菌消耗的O2为3mol/L,而释放的CO2为9mol/L,则酵母菌无氧呼吸消耗葡萄糖的量是有氧呼吸的_______倍。
答案
②.吸收空气中的CO2,排除其对实验结果的干扰 溴麝香草酚蓝水溶液 ③.氧气
(2)①.装置丙除用等量清水代替NaOH溶液外,其他设计与装置乙相同 ②.只进行有氧呼吸 ③.6