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> 下列相关实验现象的描述,不正确的是[]A.CO2可使溴麝香草酚蓝水溶液由蓝变绿再变黄B.在可溶性还原糖溶液中加入斐林试剂,未加热前溶液呈蓝色C.浸润在清水中的洋葱表皮细胞会-高三生物
下列相关实验现象的描述,不正确的是[]A.CO2可使溴麝香草酚蓝水溶液由蓝变绿再变黄B.在可溶性还原糖溶液中加入斐林试剂,未加热前溶液呈蓝色C.浸润在清水中的洋葱表皮细胞会-高三生物
题目简介
下列相关实验现象的描述,不正确的是[]A.CO2可使溴麝香草酚蓝水溶液由蓝变绿再变黄B.在可溶性还原糖溶液中加入斐林试剂,未加热前溶液呈蓝色C.浸润在清水中的洋葱表皮细胞会-高三生物
题目详情
下列相关实验现象的描述,不正确的是
[ ]
A.CO
2
可使溴麝香草酚蓝水溶液由蓝变绿再变黄
B.在可溶性还原糖溶液中加入斐林试剂,未加热前溶液呈蓝色
C.浸润在清水中的洋葱表皮细胞会因为吸水过多而涨破
D.人的口腔上皮细胞经健那绿染色后,可以看到呈蓝绿色的线粒体
题型:单选题
难度:中档
来源:福建省期末题
答案
C
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题目简介
下列相关实验现象的描述,不正确的是[]A.CO2可使溴麝香草酚蓝水溶液由蓝变绿再变黄B.在可溶性还原糖溶液中加入斐林试剂,未加热前溶液呈蓝色C.浸润在清水中的洋葱表皮细胞会-高三生物
题目详情
B.在可溶性还原糖溶液中加入斐林试剂,未加热前溶液呈蓝色
C.浸润在清水中的洋葱表皮细胞会因为吸水过多而涨破
D.人的口腔上皮细胞经健那绿染色后,可以看到呈蓝绿色的线粒体
答案