Which cell organelle appears as rounded or sausage-shaped structures under electron microscopy, measuring about 0.5-1.0 µm in diameter and 2-8 µm in length?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Mitochondria.
- The cell organelle, which appears as rounded or sausage-shaped structures under electron microscopy, measuring about 0.5-1.0 µm in diameter and 2-8 µm in length, is the mitochondrion (plural: mitochondria).
- Mitochondria are often referred to as the powerhouse of the cell due to their role in generating cellular energy through the process of aerobic respiration. They have a distinctive morphology characterized by a double membrane structure and can vary in shape and size depending on the cell type and its metabolic activity.