AP BIOLOGY

Detailed explanation-1: -Ribosomes have RNA and protein. They are sites of protein synthesis. The only cell organelle seen in a prokaryotic cell is the ribosome. Ribosomes in prokaryotes are of the 70s type.

Detailed explanation-2: -In prokaryotes, ribosomes can be found in the cytosol as well. This protein-synthesizing organelle is the only organelle found in both prokaryotes and eukaryotes, asserting the fact that the ribosome is a trait that evolved early on, most likely present in the common ancestor of eukaryotes and prokaryotes.

Detailed explanation-3: -In prokaryotes, the ribosomes are of 70S type and smaller compared to the 80S type found in the eukaryotes.

Detailed explanation-4: -Although ribosomes are generally described as organelles, it is important to note that ribosomes are not organelles, they are not bound by a membrane, and are much smaller than other organelles. Ribosomes are found in both eukaryotic and prokaryotic cells.