Answer:
The options are not given but most probable answer is-
1. Eukaryotic cell are different from prokaryotic cell because prokaryotic cell lacks membrane-bound organelle like nucleus. This is the reason that the genetic material of prokaryotes is present in the cytoplasm.
2. All cells come from pre-existing cells because old cell do cell division which produces new cells. Most cells arise through mitotic division which is also called equational division.
3. Cells can vary in size greatly with each other for example prokaryotic cells are very much smaller than eukaryotic cells.
