Answer :
In a red blood cell, the control center is the nucleus. A mitochondria is not a nucleus. It is another organelle that produces energy for the cell.
The nucleus is an organelle found in eukaryotic cells which acts like the control center of the cell . An example why it is the control center is because it tells each part of cell what to do inside cells .
Non Example of nucleus is: Mitochandria , which is the main genome of the organism and is found in the nucleus.
