Mitochondria creates power for the cell which is why the are sometimes referred to as the powerhouse of a cell
<span>A condition of the unconsciousness is an effect of the shut down of "Conscious Brain"
In that situation, Our Brain feels tired, and can't make any major decision
Hope this helps!</span>
It is because Prokaryotic cells has a unicellular structure compared to Eukaryotic cells which has a Multicellular structure.