-Aqsa, Subject Matter Expert at Edumarz.
Size: Generally small (1-10 µm) 1 µm = 10^6
Nuclear region: undefined and does not remain surrounded by a nuclear membrane and is known as the nucleoid.
Membrane-bound organelles absent.
Size: Generally large (5-100 µm)
Nuclear region: well defined and surrounded by a nuclear membrane.
More than one chromosome.
Membrane-bound organelles present.