Which one of the following groups is composed of prokaryotic cells?View Available Hint(s)for Part Aanimalsbacteriaprotistsfungi

To determine which group consists of prokaryotic cells, let's clarify the classifications of the listed options:

1. Animals: These are eukaryotic cells, which have a defined nucleus and membrane-bound organelles.
2. Bacteria: This group consists of prokaryotic cells, which lack a defined nucleus and are generally unicellular.
3. Protists: Typically eukaryotic organisms, although some are simple and can resemble prokaryotic forms.
4. Fungi: These are also eukaryotic, characterized by cell walls made of chitin.

Final Answer

The group composed of prokaryotic cells is bacteria.