Answer to fill in blank would be D) Polar.
This statement is true, hope this helps
Answer:
Replication occurs in three major steps:
the opening of the double helix and separation of
DNA strands, the priming of the template strand,
and the assembly of the new DNA segment. During
separation, the two strands of the DNA double helix uncoil at a specific location called origin.
Answer:
About 5 billion years ago