Question

What is mitochondria?

Answer 1

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).

Answer 2

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).