Chemical reactions are more likely to happen when
electrons are in an excited state
electrons are in the lowest possible energy level
electrons are part of a full octet
electrons are in the ground state

answer; ///i believe the answer your looking for is (ribosomes);

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 . : ) : ) : )