Question

question: prokaryotic cells have different internal structures than eukaryotic cells. which of the following is/are found in eukaryotic cells but not prokaryotic cells? answer options: select one of four membrane-bound organelles ribosomes cytoplasm nuclear region

Explanation:

To solve this, we analyze each option:

• Ribosomes: Both prokaryotic and eukaryotic cells have ribosomes (for protein synthesis).
• Cytoplasm: Both cell types have cytoplasm (the fluid - like substance inside the cell).
• Nuclear region: Prokaryotic cells have a nuclear region (nucleoid), while eukaryotic cells have a true nucleus, so this is not unique to eukaryotes.
• Membrane - bound organelles: Eukaryotic cells have membrane - bound organelles (like mitochondria, endoplasmic reticulum, etc.), while prokaryotic cells do not have membrane - bound organelles (their organelles are not enclosed by membranes).

Answer:

A. Membrane - bound organelles