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Which of the following is not true?
a. microtubules require ATP hydrolysis for polymerization of dimers
b. microtubules have inherent polarity, plus and minus ends
c. microtubules are made of α-β tubulin dimers
d. free cytoplasmic microtubules have 13 protofilaments organized into the tubule
e. microtubules can be used to transport materials within cells

Respuesta :

Answer: The following which is not true is letter A.

Explanation: Because microtubules require GTP hydrolysis.  The process  requires energy from GTP hydrolysis.  It occurs at the beta- tubulin subunit after incorporation of the tubulin dimer into the microtubule lattice.

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