Е
sects
39.) What two types of
tubes are on the inside
of the plant?
a.) water
b.) food
c.) mineral
d.) oxygen
p
.
..

Organism, organ system, organs, tissue, cells

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.