Biology

Ribosomes are found in both prokaryotic and eukaryotic cells. They are essential for protein synthesis, translating RNA into proteins. In prokaryotes, ribosomes are free-floating in the cytoplasm, while in eukaryotes, they can be found either free in the cytoplasm or attached to the endoplasmic reticulum (rough ER).

For A: Only eukaryotic cells have a nucleus. Prokaryotic cells, such as bacteria, do not have a membrane...