Question

Mitochondria are not found in

• A. human RBC
• B. human liver cell
• C. frog liver cell
• D. human nerve cell

Answer 1

The correct option is A

human RBC

The correct option is A.

Explanation of the correct option:

1. Mitochondria is also called the powerhouse of the cell.
2. It is the site where ATP is synthesized.
3. RBCs or red blood cells are designed for the maximum carriage of oxygen throughout the body.
4. So, they cannot compensate other organelles to provide room for hemoglobin.
5. So, RBCs derive energy directly through glucose, by the glycolysis process that takes place in the cytoplasm inside the cell.
6. Thus, mitochondria are absent, since the glycolysis meets the energy demands of the cell, in addition, it doesn't take up the cell volume.

Explanation of the incorrect options:

Option B:

Human liver cell has numerous mitochondria in the cell and provides energy to the cell.

Option C:

Frog liver cell has many mitochondria in the cell that provides energy to the cell.

Option D:

Human nerve cells have numerous mitochondria and provide energy to the cell.

Final answer: Mitochondria are not found in human RBC.