a) Explain the polarity of monomers of microtubules? What it results from? b) Although it is not...

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Biology

a) Explain the polarity of monomers of microtubules?What it results from?
b) Although it is not possible to distinguish the polarity ofintermediate filaments. Explain why

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Q1aMicrotubules are the main components of cytoskeleton they aremade up of rigid hollow rods of 25nm diameter which help them inmaintaining the structure of the cell and they also helps invarious cell functions They are made up of a single type ofglobular protein tubulin Tubulin is a dimer of two closely related55kd polypeptides tubulin and tubulin also a third type of tubulin called tubulin found in the centrosome which helps in initiatingmicrotubule assemblyTubulin dimers combine to form microtubules it consist of 13linear proto filaments arranged around a hollow core The protofilaments which    See Answer
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