This could lead to an altering of the proteins tertiary structure which could make the protein non functioning (if cytosine didn’t attach to it) or give it a different function.
Coal has been found in Antarctica is the right answer since it is completely unrelated to plate tectonics.
Answer: a. mutation
Explanation:
A mutation is a change or alteration and a process that occurs in the DNA sequence of the organism. This happens due to the mistake in the DNA replication process or because of the environmental factors for example exposure to the UV radiation or due to smoking. These mutations either favors the survival of the organisms or they are lethal for the organisms.
