44、经检测某病毒的核酸,得知其碱基的含量分别为:A—23%,T—36%

44、经检测某病毒的核酸,得知其碱基的含量分别为:A23%T36%G21%C20%,试问其核酸应为(  

A.双链DNA        B.单链DNA        C.双链RNA      D.单链RNA

答案

B

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