题目内容

离子强度会影响下面哪些？

A. PH
B. 电泳速度
C. 蛋白质变性
D. 分子凝固

查看答案

搜索结果不匹配？点我反馈

更多问题

《大雅·生民》是周人叙述其民族始祖后稷事迹以祭祀之的长篇史诗

A. 对
B. 错

《诗经》产生于北方,风格平易质朴

A. 对
B. 错

We were very _______ by the poor response from the parents.

A. excited
B. depressed
C. delighted
D. encouraged

She showed great _____ when she heard the bad news.

A. courage
B. delight
C. interest
D. comfort