Mutations are caused by changes in nucleotide bases. these altered base formed different amino acid depending upon nucleotide base sequence that code specific amino acid. ... even though some mutations, can have a more effect on amino acid coding, which can affect what kind of proteins are produced.
The answer is D. It removes the microbes but does not kill them.
You may have to enlarge it but here you go!
Answer:
i believe it's the first one
Explanation:
