A prokaryotic cell contains all of the following EXCEPT
- A. cytoplasm
- B. a nuclear envelope
- C. ribosomes
- D. a plasma membrane
Explanation
The defining absence in a prokaryote is a membrane-bound nucleus; its DNA lies free in the nucleoid. It still has cytoplasm, 70S ribosomes and a plasma membrane, since those are requirements of every living cell.
Related questions
The fluid mosaic model describes the plasma membrane as
The statement that all cells arise from pre-existing cells was added to the cell theory by
The large central vacuole of a mature plant cell is bounded by a membrane called the
Which structure is normally absent from the cells of higher plants?
Plasmodesmata are