To Replicate Within the Cells of a Host, Recombinant DNA

To replicate within the cells of a host, recombinant DNA must either _______ into the host's genome or contain a(n) ________. Otherwise the recombinant DNA would not be replicated since _______ requires specific sequences to bind to DNA.

A) integrate; origin of replication; DNA polymerase
B) integrate; vector; DNA polymerase
C) recombine; origin of replication; DNA ligase
D) recombine; stop transcription signal; DNA polymerase
E) integrate; stop transcription signal; DNA ligase