Which of the following is not a distinguishing characteristic of prokaryotic cells? a) their dna is not enclosed within a membrane. b) they lack membrane-enclosed organelles. c) they have cell walls containing peptidoglycan. d) their dna is not associated with histones. e) they lack a plasma membrane.

The answer is:

E. They lack a plasma membrane.

The reason is that the plasma membrane is actually a very important part of their cell. Hope that helps! :)

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.