Question

what would happen if u took mitochondria out of the cell

Answer 1

Then the cell has no energy anymore, since the Mitochondria is responsible for cell respiration which produces ATP (in short: energy) for the cell to use. If a cell doesn't have mitochondria then say goodbye to that cell.

Answer 2

Your cells would die. The mitochondria is the "power house" of the cell, it is what gives you