In which organelle are most molecules of atp produced by the cell? a) ribosome b) chloroplast c) cell nucleus d) mitochondrion

Option (D)

Explanation:

Mitochondria are often referred to as the power house of the cell. Its prime objective is to generate energy for the growth of cells and helps in the metabolic activities of the cells. These cells utilize a particular type of molecule for the energy, which is commonly known as ATP (Adenosine Triphosphate). The ATP molecules are generated inside the mitochondria for the growth and development of the cells.  

Thus, the correct answer is option (D).