Question

organisms that have cells lacking internal membrane bound organells

Answer 1

A prokaryote is a single-celled organism that have cells lacking internal membrane bound organells.

Hope this helps :)

Answer 2

A prokaryote is a single - celled organism that lacks a membrane - bound nucleus (karyon),mitochondria,or any other membrane-bound organelles. It is the Eukarotes that have membrane - bound organelle. :)