DNA上某段碱基顺序为5’-ACTAGTCAG-3’，以其为模板转录后的mRNA上相应的碱基顺序为

A.5’-TGATCAGTC-3’

B.5’-UGAUCAGUC-3’

C.5’-CUGACUAGU-3’

D.5’-CTGACTAGT-3’

A.5'-TGATCAGTC-3'

B.5'-UGAUCAGUC-3'

C.5'-CUGACUAGU-3'

D.5'-CTGACTAGT-3'

A.5'-TGATCAGTC3'

B.5'-UGAUCAGUC3'

C.5'-CUGACUAGU3'

D.5'-CTGACCTAGT3'

E.5'-CAGCUGACU3'

A.5′-GATCAGTC-3′

B.5′-UGAUCAGUC-3′

C.5′-CAGCUGACU-3′

D.5′-CUGACUAGU-3′

A.5’-ATCGGC-3’

B.5’-TAGCCG-3’

C.5’-GCCGAT-3’

D.5’-UAGCCG-3’

A.tRNA

B.mRNA

C.rRNA

D.sRNA

A.CGA

B.GCA

C.GCT

D.TCG

A.用mRNA为模板逆转录合成DNA

B.以4种脱氧核苷酸为原料人工合成

C.将供体DNA片段转入受体细胞中,再进一步筛选

D.由蛋白质的氨基酸序列推测mRNA