Select the correct cell type for each description. no distinct nucleus can only be single-celled can either be single- or multi-celled?

The cell type with no distinct nucleus and that can only be single-celled is a prokaryotic cell, such as bacteria. The cell type that can either be single- or multi-celled is a eukaryotic cell, which includes organisms like protists, fungi, plants, and animals. Eukaryotic cells have a defined nucleus and more complex structures compared to prokaryotic cells.