Chapter 5, Problem 7TYU

Which of the following pairs of base sequences could form a short stretch of a normal double helix of DNA?

(A) 5′-AGCT-3′ with 5′-TCGA-3′

(B) 5′-GCGC-3′ with 5′-TATA-3′

(C) 5′-ATGC-3′ with 5′-GCAT-3′

(D) All of these pairs are correct.