最可能形成z-DNA的序列是( )。
A: 5’-ATATATATATATATATATAT-3’ 3"一TATATATATATATATATATA-5’
B: 5’-AAAAAAAAAAAAAAAAAAAA-3’ 3"-TTTTTTTTTTTTTTTTTTTT-5’
C: 5’-GCGCG(2GCGCGCCGCGCGCG一3’ 3"-CGCGCGCGCGCGCGCGCGCG-5’
D: 5’-GGGGGGGGGGGGGGGGGGGG一3’ 3"-CCCCCCCCCCCCCCCCCCCCC一5’
A: 5’-ATATATATATATATATATAT-3’ 3"一TATATATATATATATATATA-5’
B: 5’-AAAAAAAAAAAAAAAAAAAA-3’ 3"-TTTTTTTTTTTTTTTTTTTT-5’
C: 5’-GCGCG(2GCGCGCCGCGCGCG一3’ 3"-CGCGCGCGCGCGCGCGCGCG-5’
D: 5’-GGGGGGGGGGGGGGGGGGGG一3’ 3"-CCCCCCCCCCCCCCCCCCCCC一5’
举一反三
- 最可能形成Z-DNA的序列是： A: 5'-ATATATATATATATATATAT-3' 3'-TATATATATATATATATATA-5' B: 5'-AAAAAAAAAAAAAAAAAAAA-3' 3'-TTTTTTTTTTTTTTTTTTTTT-5' C: 5'-GCGCGCGCGCGCCGCGCGCG-3' 3'-CGCGCGCGCGCGCGCGCGcG-5' D: 5'GGGGGGGGGGGGGGGGGGGG-3' 3'-ccccccccccccccccoccccc-5'
- 其治疗应选用在DNA复制时，5’一ATCCATC一3’的碱基序列产生的互补碱基序列是（） A: 5’一TAGGTAC一3’ B: 5’一UAGGUTC一3’ C: 5’一GATGGAT一3’ D: 3’一CATGGAT一5’ E: 以上都不对
- 婚前医学检查包括下列哪些疾病的检查在DNA复制时，5’一ATCCATC一3’的碱基序列产生的互补碱基序列是（） A: 5’一TAGGTAC一3’ B: 5’一UAGGUTC一3’ C: 5’一GATGGAT一3’ D: 3’一CATGGAT一5’ E: 以上都不对
- 3.．DNA复制时，以序列5’一TAGA一3’为模板将合成的互补结构是 A: 5’ －TCTA－3’ B: 5’ －ATCT－3’ C: 5’一 UCUA— 3’ D: 5'— GCGA— 3’ E: 3’一TCTA—5’
- 现有一DNA片段，它的顺序为3′……ATTCAG……5′，转录生成的RNA序列应是 A: 5′……GACUUA……3′ B: 5′……AUUCAG……3′ C: 5′……UAAGUC……3′ D: 5′……CTGAAT……3′ E: 5′……ATTCAG……3′