In DNA Nucletide monomer are linked to the next through covalent bonds
Hope this helps!
There are so many examples for that in different areas, like biology experiment carried out in our lab recently.
Here's one link: https://www.creative-biogene.com/Services/Custom-Viral-Service/Replication-Competent-Virus-Testing.html
A.) The cell prepares for cell division.
The Kinetic energy is 345,600 J
=1/2^2
It would be probably be 1, as the recommended would be the average