A point mutation changes a codon in an mRNA molecule. Will the mutation affect the polypeptide that forms? Why? A. Yes. Each amino acid is specified by only one codon.
B. No. The structure of DNA, and not RNA, determines the polypeptide.
C. Maybe. Some codons are translated into two or more amino acids.
D. Maybe. Some pairs of codons are translated into the same amino acid.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )