Question

in what from is energy generted by 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

$\color{blue}{Answer:- \: ATP}$