protists
A single-celled organism without an organized nucleus is a prokaryote.
Bacteria is a single celled organism that lacks a nucleus, if that helps at all.
procaryote
prokaryote
A single-celled organism without an organized nucleus is a prokaryote.
Any prokaryotic organism (e.g. bacteria).
a Prokaryote
An animal cell
These single celled organisms are called prokaryotes.
A single-celled organism with a nucleus is called a eukaryote. This category includes organisms such as protists, fungi, plants, and animals. Eukaryotes are characterized by having their genetic material enclosed within a membrane-bound nucleus.
A prokaryote otherwise called a Moneran.
a bacterium