A) Nucleus
B) Ribosome
C) Mitochondrion
D) Endoplasmic reticulum
For Explanation Click Here:
The mitochondrion is often referred to as the powerhouse of the cell. It is responsible for producing energy in the form of ATP through cellular respiration. The nucleus controls cell activities, the ribosome is involved in protein synthesis, and the endoplasmic reticulum helps in protein and lipid synthesis.