A.C1’-C2 B.C1’-N1 C.C1’-C4 D.C1’-N3 E.C1’-C5
A.AACCGACGUACACGACUGAA B.AACCGUCCAGCACUGGACGC C.GUCCAGUCCAGUCCAGUCCA D.UGGACUGGACUGGACUGGAC E.AACCGUCCAAAACCGUCAAC
A.DNA和RNA都有相同的嘌呤堿基 B.DNA和RNA都有相同的嘧啶堿基 C.DNA和RNA都有相同的磷酸核糖骨架 D.DNA和RNA都是5’,3’-磷酸二酯鍵 E.DNA和RNA都是4種核苷酸的排列