Question

Why is nuclear region in prokaryotes are poorly defined ?

Answer 1

Because prokaryotic cell nucleus do not have nuclear membrane. It s called nucleoid.Also its organelles are without membrane.

Answer 2

Answer:

In prokaryotic cells, nucleus is not defined properly because, it is not surrounded by nuclear membrane, with inner nucleoplasm and chromatin material. So, it is poorly defined and it is called nucleoid or genophore.