The nucleus would be like the command center in the cell, because it monitors the cells functions and keeps everything "running smoothly".
Once they understood the structure of DNA a lot of things became more clear including how DNA was replicated.
So I think your answer is copies? meaning how it is copied (replicated).
The structure also led later on to how it was transcribed into mRNA (and eventually into proteins by ribosomes).
60 million years is the answer.
What are the following options?? i cant help if you don’t but the whole question
