DrVirgo
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37. Actively dividing fibroblasts in culture are transferred from a 37 C incubator to a 0 C ice bath, and 10-6 M colchicine is added to the culture medium. After 30 minutes, many cells have been arrested in mitosis. Which of the following cytoskeletal proteins is most likely to be involved?
A ) Actin
B ) Desmin
C ) Dynein
D ) Keratin
E ) Kinesin
F ) Lamins
G ) Myosin
H ) Neurofilament proteins
I ) Tubulin
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| nadiabarati
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I) Tubulin
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| doc179
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I
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| DrVirgo
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yes, affects microtubules, but why not kinesin or dyenin?
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| robin082006
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Colchicine, Vinblastine, Vincristine, Paclitaxel involve in Tubulin in M phase.
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| sturge_weber
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to dr. virgo,
spindle is formed of a protein called tubulin, it also forms certain other things, like the kinesin and dyenin, which help in the anterograde and retrograde movents in neurons...
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