Biology

The correct answer is: C.ribosomes.

Both prokaryotes and eukaryotes contain ribosomes, which are responsible for protein synthesis. However, the structure of ribosomes in prokaryotes and eukaryotes differs slightly.

Here's a breakdown of the other options:

A.Nucleus: Only eukaryotes have a nucleus. Prokaryotes lack a membrane-bound nucleus and have their genetic material in a region called the nucleoid.

B.Mitochondria: Only eukaryotes have mitoc...