Answer:
just watch the video it gives you tge anwers
They might be going through the S Phase of the cell cycle which is DNA replication. Usually, when the cells go through this phase they end up to dividing.
Answer:
DNA is made up of molecules called nucleotides each nucleotides contains a phosphate group a sugar group and nitrogen base
They do lower the activation energy but they provide an alternate pathway for the reaction to happen quicker and they do not get used up in the reaction