A substitution is a mutation that exchanges one base for another (i.e., a change in a single "chemical letter" such as switching an A to a G). Such a substitution could: change a codon to one that encodes a different amino acid and cause a small change in the protein produced. ... These are called silent mutations.
There are many reasons why the cell cycle is an important process. One of the reasons is because of growth and development.
Answer:
Vaccine
Explanation:
I'm not sure but it seems like the most logical answer.
