In humans, infections by fungi and protists are usually more difficult to treat than bacteria infections. suggest an explanation that is based on cell structure

Fungi and protists attack are more difficult to treat bc they attack your vitals in a more intense way rather than the bacteria infection. The bacteria infection can also be cured by antibiotics, but fungi and protists are more difficult to treat... Hope this helps.  

Because electrons have negligible mass, to account for the mass of the isotope, there must be 16 neutrons, 16 neutrally charged, massive, fundamental particles present in the sulfur nucleus. and thus finally, if we have the 32s2− ion, there are 18 electrons, 16 protons, and 16 neutrons.