Which type of macromolecules make up the wall of microtubules?(a) globular proteins(b) glycoproteins(c) deoxyribonucleic acids(d) carbohydratesI have been asked this question in exam.This intriguing question originated from Cytoskeleton topic in portion Cytoskeleton and Cell Motility of Cell Biology

Which type of macromolecules make up the wall of microtubules?(a) glob

1.	Which type of macromolecules make up the wall of microtubules?(a) globular proteins(b) glycoproteins(c) deoxyribonucleic acids(d) carbohydratesI have been asked this question in exam.This intriguing question originated from Cytoskeleton topic in portion Cytoskeleton and Cell Motility of Cell Biology
Answer» RIGHT answer is (a) globular PROTEINS For EXPLANATION: The walls of microtubules are composed of globular proteins arranged in longitudinal rows, CALLED ‘PROTOFILAMENTS’, aligned parallel with the long axis of microtubule.

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