Which cytoskeletal element, composed of tubulin dimers, radiates from the centrosome to provide tracks for organelle movement?
Show answer and explanation
Correct answer: Microtubules (tubulin polymers)
Microtubules are hollow tubes made of tubulin dimers that provide structural support and facilitate intracellular transport. Motor proteins like kinesin and dynein walk along these tracks to move vesicles and organelles.
Practice all 20 Cell Organelles: Structure and Functions questions
Keep practicing
More Cell Organelles: Structure and Functions questions
- Peroxisomes are essential for cellular health because they contain the enzyme catalase, which breaks down which toxic byproduct?
- What is the primary role of the Rough Endoplasmic Reticulum (RER)?
- Which organelle is responsible for the formation of the spindle apparatus during animal cell division?
- In the process of 'autophagy', which organelle is responsible for recycling the cell's own damaged components?
- Which part of the mitochondria contains the enzymes of the Citric Acid (Krebs) Cycle?
- Large, non-membrane bound structures composed of RNA and protein that translate genetic code into polypeptide chains are: