Question

generally, membrane - bound organelles can be found in ______. options: eukaryotes only; no clear distinctions; prokaryotes only; eukaryotes and prokaryotes

Explanation:

Membrane-bound organelles (like mitochondria, endoplasmic reticulum) are a defining feature of eukaryotic cells. Prokaryotic cells lack these structures, having only non-membrane-bound components like ribosomes and a nucleoid region.

Answer:

A. eukaryotes only