Question

1. investigate: select the mitochondrion closeup. what happens inside the mitochondrion?

Explanation:

Mitochondria are the power - houses of the cell. Cellular respiration occurs inside them, where glucose is broken down in the presence of oxygen to produce ATP (adenosine triphosphate), the energy currency of the cell. This process includes the citric acid cycle and oxidative phosphorylation.

Answer:

Cellular respiration occurs to produce ATP.