Biology · Cell Biology
Which of the following statements is incorrect regarding microtubules?
- 1They play an important role in maintaining cell shape and forming the mitotic spindle.
- 2Microtubules are solid cylinders with an outer diameter of 25 nm.✓
- 3The tubulin monomer consists of alpha and beta tubulin sub-units.
- 4Microtubules are composed of polymers of the protein tubulin.
Correct answer
Microtubules are solid cylinders with an outer diameter of 25 nm.
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