皮皮学，免费搜题
登录
搜题
【单选题】
荧光定量PCR反应中,Mg^2+的浓度对Taq酶的活性是至关重要,以DNA或cDNA为模板的PCR反应中最好的Mg^2+浓度是A.
0.2-0.5mM
B.
1-2mM
C.
2-5mM
D.
6-8mM
E.
0.5-2mM
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】In many American families, parents feel that children should make important decisions ________. A) to themselves B) on themselves C) of themselves D) by themselves
【简答题】The member countries of the UN and its specialized agencies give guidance and make decisions on______in regular meetings held throughout each year.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
