Betty drew the lifecycle of a butterfly for A science exhibition. The lifecycle showed the various stages of growth before the egg turns into a butterfly. What type of model did Betty use? Was it hypothetical, conceptual, mathematical, or physical

What are the options?

Ithink a saturated phospholipid

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.