1. Atomic Nucleus:
* This is the central, dense part of an atom.
* It contains the protons (positively charged particles) and neutrons (neutral particles).
* The nucleus accounts for almost all of the atom's mass.
2. Cell Nucleus:
* This is a membrane-bound organelle found in eukaryotic cells (cells with a true nucleus).
* It contains the cell's genetic material, the DNA, which is organized into chromosomes.
* The nucleus controls and regulates the activities of the cell.
3. Other Uses:
* Nucleus of a Galaxy: The central region of a galaxy, often containing a supermassive black hole.
* Nucleus of a Comet: The solid, icy core of a comet.
* Nucleus of a Storm: The region of a storm where the winds are strongest.
To understand the meaning of "nucleus" in a specific context, you need to look at the surrounding information or the overall topic of the discussion.
