A. They have a true nucleus
B. They have membrane-bound organelles
C. They are unicellular
D. They are always multicellular
Answer: They are unicellular
A. They have a true nucleus
B. They have membrane-bound organelles
C. They are unicellular
D. They are always multicellular
Answer: They are unicellular
Additional Information: Prokaryotic organisms, such as bacteria, are typically unicellular and lack a true nucleus and membrane-bound organelles.
Subjects: Biological Classification, Biology