Answer:
The DNA is a double helix or made up of two strands. The strands are separated during replication, each serving as a template to produce a complementary strand of each of the separated single strands. Therefore after replication, two double stranded DNA molecules will be present.
Do you see the tectonic plates are moving away from each other
We all have a common ancestor hence we have some form of a universal genetic code
They are composed of proteins. I cannot see the options but hopefully that answer is in one of them
