问题详情
一种核酸外切酶与pApGpUpCpApG-pU一起保温,其水解产物中不含有
A.PA+pC+pUpCpApGpUB.PApGpUpCpA+pG+pUC.PApG+pUpC+pApGpUD.PApGpUpCpApG+pUE.2pA+2pG+2pU+pC