Question

difference between microfilament and intermediate filament and microtubules.

at least four difference.

Answer 1

Microfilaments are fine, thread-like protein fibers, 3-6 nm in diameter. They are composed predominantly of a contractile protein called actin, which is the most abundant cellular protein. Microfilaments' association with the protein myosin is responsible for muscle contraction. Microfilaments can also carry out cellular movements including gliding, contraction, and cytokinesis.MicrotubulesMicrotubules are cylindrical tubes, 20-25 nm in diameter. They are composed of subunits of the protein tubulin--these subunits are termed alpha and beta. Microtubules act as a scaffold to determine cell shape, and provide a set of "tracks" for cell organelles and vesicles to move on. Microtubules also form the spindle fibers for separating chromosomes during mitosis. When arranged in geometric patterns inside flagella and cilia, they are used for locomotion.
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Answer 2

                                   MICROFILAMENTS

1.Microfilaments or actin filaments are flexible and strong.
2.It can resist buckling and tensile forces done by the scientists.
3. These structures are very versatile.
4. It aids the cell in crawling and via ameboid movement.
5. It is also versatile during changes in cell shape.
6. In short, its main function is movement and aids in shape changes.

                                  MICROTUBULES
1.Microtubules, on the other hand, are the active component of the cytoskeleton.
2. It has a diameter of 25 nm and has a length from 200 nm up to 25 micrometers.
3. Microtubules function as the main structural piece within the cytoplasm.
4. It is involved in mitosis, vesicular transport, and cytokinesis.
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