<span>The P-site of the ribosomes is the site of polypeptide elongation during translation of mRNA. Therefore, a drug that binds to this site ensures that there is no elongation hence, basically, the translation process is inhibited. The <span>growing bacteria cell will stop growing and die due to lack of structural and functional proteins to grow and perform its cellular processes respectively..</span></span>
You can rub a permanent magnet against something else that can be magnetized, like a paper clip.
I'm thinking it might be fossil evidence. Hope it helps!