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> 如下图所示的是检测气压变化的密闭装置。反应瓶和中心小杯中放置有关实验材料和试剂,关闭活栓后,U形管右管液面高度变化反映瓶中气体体积变化。实验开始时将右管液面高度调-高一生物
如下图所示的是检测气压变化的密闭装置。反应瓶和中心小杯中放置有关实验材料和试剂,关闭活栓后,U形管右管液面高度变化反映瓶中气体体积变化。实验开始时将右管液面高度调-高一生物
题目简介
如下图所示的是检测气压变化的密闭装置。反应瓶和中心小杯中放置有关实验材料和试剂,关闭活栓后,U形管右管液面高度变化反映瓶中气体体积变化。实验开始时将右管液面高度调-高一生物
题目详情
如下图所示的是检测气压变化的密闭装置。反应瓶和中心小杯中放置有关实验材料和试剂,关闭活栓后,U形管右管液面高度变化反映瓶中气体体积变化。实验开始时将右管液面高度调至参考点,实验中定时记录右管液面高度相对于参考点的变化(忽略由其他原因引起的容积变化)。课题小组同学利用该装置探究酵母菌的细胞呼吸方式。
(1)取甲、乙两套该密闭装置设计实验。请补充下表有关内容:
(2)将甲、乙装置均置于28C恒温条件下进行实验(实验过程中微生物保持活性),60min后读数。请补充下表有关内容:
题型:读图填空题
难度:偏难
来源:期末题
答案
(1)①.细胞呼吸时氧气的消耗量 ②.(一定浓度)葡萄糖溶液、微生物悬浮液各1mL ③.等量蒸馏水
(2)④.只进行有氧呼吸 ⑤.不变 ⑥.既进行有氧呼吸又进行产生酒精和CO2的无氧呼吸 ⑦.不变
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题目简介
如下图所示的是检测气压变化的密闭装置。反应瓶和中心小杯中放置有关实验材料和试剂,关闭活栓后,U形管右管液面高度变化反映瓶中气体体积变化。实验开始时将右管液面高度调-高一生物
题目详情
答案
(2)④.只进行有氧呼吸 ⑤.不变 ⑥.既进行有氧呼吸又进行产生酒精和CO2的无氧呼吸 ⑦.不变