Which the following sequences of DNA is most likely to form Z-DNA in vitro?
A)5'-ATATATATATATATATATAT-3'
3'-TATATATATATATATATATA-5'
B)5'-AAAAAAAAAAAAAAAAAAAA-3'
3'-TTTTTTTTTTTTTTTTTTTT-5'
C)5'-GCGCGCGCGCGCCGCGCGCG-3'
3'-CGCGCGCGCGCGCGCGCGCG-5'
D)5'-GGGGGGGGGGGGGGGGGGGG-3'
3'-CCCCCCCCCCCCCCCCCCCC-5'
E)5'-GATCGATCGATCGATCGATC-3'
3'-CTAGCTAGCTAGCTAGCTAG-5'

Question

Quizplus · Accepted Answer

Z-DNA is a left-handed double helix with a zig-zag pattern that is believed to be formed by alternating purine-pyrimidine sequences with a high GC-content. Option C has a high GC-content and an alternating purine-pyrimidine sequence that makes it the most likely choice to form Z-DNA in vitro.

Which the Following Sequences of DNA Is Most Likely to Form