The disease is spread from chimpanzees, who are infected with a very dangerous virus that induces rage. These infected chimps are held captive in a laboratory, but a group of animal activists sets out to liberate them. So, they get infected too, and spread the infection further.
Because mutations do not always result in an amino acid change.
I think it’s a, hopefully you get it right!
Answer:
The answer for this is a protein D