DNA polymerases need a primer oligonucleotide (RNA or DNA) - their substrates are an existing 3'-OH group and a dNTP. The primase however is a typical RNA polymerase, capable of initiating polynucleotide synthesis de novo by positioning a complementary ribonucleoside 5'-triphosphate opposite its complementary DNA base.
Alison Schapker. Alison Schapker is an American television writer and producer. She is well known for her work on the ABC espionage series Alias and for the FOX science-fiction series Fringe.
Both Amy Acker and Sarah Shahi, as well as several of the writers, have expressed an interest in the ship. Amy Acker and Sarah Shahi noted that a lot of the Root/Shaw chemistry is explicitly scripted and that she and Amy can tell what's happening during an interview at SDCC Comic Con 2014.