Which best describes the nucelus atom?

The center and most sensitive part of the object or organism

Explanation:

Since everything is made of atoms there has to be something to keep all of them together that's where the nucleus comes in it's the one atom that differs from the other even though there are many different atoms the nucleus is special in that it's made up of neutrons and protons and maybe some electrons.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

they dont have any evidence