Speed of microtubule = 2um/min
= 2000 nm/min
Size of tubulin unit = 5 nm
= 2000/5
=400 tubulin units
= 2000 nm/min
Size of tubulin unit = 5 nm
= 2000/5
=400 tubulin units
However, each microtubule made up of 13
protofilaments, total number of tubulin units required to be added per min =
400 × 13 = 5200
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