Which of the following sequences of DNA is most likely to form Z-DNA?
A) 5'-ATCTACATCTACATAGATAT-3' 3'-TAGATGTAGATGTATCTATA-5'
B) 5'-AAAAAAAAAAAAAAAAAAAA-3' 3'-TTTTTTTTTTTTTTTTTTTT-5'
C) 5'-GCGCGCGCGCGCCGCGCGCG-3' 3'-CGCGCGCGCGCGCGCGCGCG-5'
D) 5'-GGGGGGGGGGGGGGGGGGGG-3' 3'-CCCCCCCCCCCCCCCCCCCC-5'

Question

Quizplus · Accepted Answer

Z-DNA is most likely to form in sequences with alternating purine and pyrimidine bases, such as the GC repeat in option C.

Which of the Following Sequences of DNA Is Most Likely