Self-Assembly of Microtubules Occur By

question 20

Multiple Choice

Self-assembly of microtubules occur by:

• A) helical twisting of strands of α-tubulin and β-tubulin.
• B) intermolecular interactions of dimers of α-tubulin and β-tubulin.
• C) polymerization of alternating α- and β-tubulin into a repeating α-β-α-β-... strand.
• D) inter-subunit interaction to form α₂β₂-tetramers of tubulin.
• E) ATP-dependent polymerization of tubulin monomers.

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