What is the main difference between a cell nucleus and a nucleoid?

Asize of the organelle.
Barrangement of the cytoskeleton
Cmovement of the flagella
Dpresence or absence of a surrounding membrane

Verified Answer :

Dpresence or absence of a surrounding membraneAS, Nucleus is a membrane bound organelle whereas Nucleolus has no limiting membrane.

D. presence or absence of a surrounding membrane