Question

What is the main difference between a cell nucleus and a nucleoid?
A. size of the organelle.
B. arrangement of the cytoskeleton
C. movement of the flagella
D. presence or absence of a surrounding membrane

Answer 1

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

Answer 2

 D. presence or absence of a surrounding membrane