Ineed ! explain what is meant by a polar molecule.

A polar molecule is one that has an unequal distribution of charge. In short, the molecule is not symmetrical when you look at it. Does not need to have polar bonds

Molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask