Niclosamide is an anti-helminth drug. It works by inhibiting ATP generation in the mitochondria. ATP which is a major source of energy for cellular organisms is deficient thereby hindering or stopping metabolic processes and then death. Helminths in which Niclosamide is effective against include Pin worm, Round wo,Beef tapeworm( Taenia saginata) etc. The drug is taken orally.
A cell carries out all the processes of the body which includes producing energy and storing it, making proteins which are molecules which have roles in metabolism, transportation of other molecules and DNA replication.
I am not entirely sure what you mean by "responding variable" but I'm going to guess it was the vinegar since it has been used as a perservative for years.
