In the figure below, which depicts the activation step in bacterial DNA replication, the letter Q points to ________, and the letters R and S point to ________, respectively.

A) DnaA-ATP proteins; 9-mer repeats within oriC and 13-mer sequences
B) Primase; oriC and 13-mer repeats
C) SeqA protein; 13-mer repeats and 9-mer basepairs within oriC
D) DamA methylase; 9-mer repeats within oriC and 13-mer repeats
E) gyrase; 13-mer repeats and 9-mer sequences within oriC