eukaryote cells does not contain any bounded cell organalles and well organised nucleas.

bacterias are the sole members of the group

Anything that's not an Archaen or Bacterial Cell or a virus is considered to be a eukaryotic cell. Basically they have an internal membrane that holds the nucleus. Protozoans and algae as well as plants, fungi, and animals have eukaryotic cells.

Any specialized cell is know as eukaryote cell, examples would include plant and animal cells.

any cell in an animal, plant, fungi, or protists