Consider this animal cell. which organelles are labeled g

Mitochondria

Explanation:

The organelle which has been labelled as G is mitochondria. This is a double membrane bound structure found in the plant as well as animal cell.

This organelle is responsible for generation of energy in the form of high energy particles which is used by the body in order to perform various tasks by the body.

By the help of cellular respiration ATP production takes place ion the cell organelle named Mitochondria.

format change of dna.  

answer; ///(b) it is composed of four protein chains and four heme groups;