Collaborate: Discuss this question with a partner: If the cell were compared to a nonliving system, such as a warehouse that ships products to customers, what would be an appropriate
analogy for the Golgi apparatus?

C. a mature ovule of a plant.

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.