核酸中含量相对恒定的是
A.氧
B.氮
C.镁
D.磷
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/978951.html
上一篇:Choose the closest paraphrased version after the following sentence or the italicized part. There is a great deal to be said for the suburb.()
Choose the closest paraphrased version after the following sentence or the italicized part.
There is a great deal to be said for the suburb.()
下一篇:is now believing, is now believed, has now believed, taught, teaching, being taughtIt___ that foreign languages are most easily___ to young children.