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The cytoskeleton of animal cells is made up of three types of cytoskeletal elements: microtubules, intermediate filaments, and actin microfilaments. Normal cellular activity is dependent upon the cytoskeleton for intracellular transport, locomotion, and cell division.

In addition, the cytoskeleton is viewed as very dynamic, as these polymers undergo polymerization or depolymerization based on the needs of the cell.

Several drugs specifically target the dynamic nature of the cytoskeleton either to inhibit their depolymerization or to prevent their polymerization and are used as chemotherapeutic drugs.

Which of the following drugs acts to stabilize microtubules thus preventing their depolymerization?

A

Vinblastine.

B

Colchicine.

C

Paclitaxel.

D

Colcemid.

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