Given the task definition and input, reply with output. Given a scientific passage and an answer, generate a question for the given answer.

Passage: Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane , or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment. Ribosomes are the non-membrane bound organelles where proteins are made, a process called protein synthesis. The cytoplasm is all the contents of the cell inside the cell membrane, not including the nucleus. Answer: nucleus
The cytoplasm is all the contents of the cell inside the cell membrane, with the exception of what?