Which of the following cell organelles can make copies of themselves?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Mitochondria.
The cell organelles that can make copies of themselves are mitochondria and chloroplasts. This self-replication occurs due to the presence of their own DNA, independent of the nuclear DNA, and the necessary machinery for protein synthesis.
- Golgi apparatus: A stack of flattened sacs involved in modifying, sorting, and packaging proteins and lipids for secretion or delivery to other organelles.
- Vacuole: A membrane-bound sac containing water, ions, nutrients, and waste products. In plant cells, a large central vacuole maintains turgor pressure.
- Cytoplasm: The gel-like substance filling the cell, excluding the nucleus. It contains organelles and is the site of many metabolic reactions.