What is one characteristic of consumers? a. they create all usable food energy
b. they make their own food
c. they may eat plants and animals
d. they obtain their energy from the sun

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.

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The correct answer is a