Which type of bacteria can be found in pairs, chains, squares of four, cubes of eight, or grapelike clusters? coccus bacillus spirillum pili.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass