I think the answer is flagella for movement. Because, prokaryotes don't have a nucleus, not all of them are unicellular, and I did not think that prokaryotes had organelles. But since is said "Select all that apply" I am assuming that the answer, or answers, are B and D. I hope this helps!
<span>The energy stored in each of these macromolecules varies because their chemical structures, and therefore their energy-storing bonds,differ.</span>