Question

which statement is true of eukaryotes but not of prokaryotes? they must contain a nucleus. they do not have membrane - bound organelles. they are always single - celled. they must be multicellular.

Explanation:

Eukaryotes have a true nucleus enclosed by a nuclear membrane, while prokaryotes lack a membrane - bound nucleus. Prokaryotes have no membrane - bound organelles, and can be single - celled. Eukaryotes can be single - celled (e.g., yeast) or multicellular.

Answer:

They must contain a nucleus.