Eukaryotic cells have membrane-bound structures that enable them to
develop more specific functions. The nucleus and other organelles of a eukaryotic cell are membrane-bounded. These structures enables a eukaryotic cell to perform specialized functions. They are considered as more complex than a prokaryotic cell because of these features. These organelles are responsible for carrying out the metabolism, providing energy, and transporting chemicals throughout the cell.
Answer - B. organelles