Chapter 15.1, Problem 3COMQ

A bidirectional enhancer has the following sequence:

$\begin{array}{l}5\prime –\text{GTCA}–3\prime \\ 3\prime –\text{CAGT}–5\prime \end{array}$

Which of the following sequences would also be a functional enhancer?

a. 5′–ACTG–3′

3′–TGAC–5′

b. 5′–TGAC–3′

3′–ACTG–5′

c. 3′–GTCA–5′

5′–CAGT–3′

d. 3′–TGAC–5′

5′–ACTG–3′