Some key innovations in the evolution of eukaryotes from a prokaryotic ancestor are membrane-bound organelles. Which of the following organelles or features is likely to be a common component shared by both eukaryotic cells and their prokaryotic ancestors?

Question

Quizplus · Accepted Answer

Ribosomes are essential for protein synthesis and are found in both prokaryotic and eukaryotic cells. Chloroplasts and mitochondria are unique to eukaryotes and are thought to have originated from endosymbiosis with bacteria. The nuclear envelope is also a unique feature of eukaryotic cells, enclosing the nucleus and separating it from the cytoplasm.

Some Key Innovations in the Evolution of Eukaryotes from a Prokaryotic