Fun fact for today
Chickens are the closest living relatives to the T-Rex

C) to ensure each new cell has an exact copy of the dna

Ascience cannot answer religious question

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.

Dna strands are split apart to allow an opening for replication. the opening has two replication forks so synthesis goes toward them in 5' to 3' direction.