Where is the energy in ATP stored? O in a chloroplast
O all of the above
O in a chemical bond
o in the mitochondria

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP), I think mitochondria.