11.Cytoskeleton_2011_ANGEL

11.Cytoskeleton_2011_ANGEL - Cytoskeleton Ch 6 pp...

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Cytoskeleton Ch. 6 pp. 112-118 “In living things the interior establishes the pattern of nature and is its true form. The exterior is a mere surface or garment.” Georges-Louis Leclerc de Buffon, French natural philosopher (1707- 1788)
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Cytoskeleton: A dynamic network of 3 classes of filamentous proteins in a eukaryotic cell: A. Microtubules: hollow 25 nm tubes made of ____________________ (dimer) having a polarity of assembly and disassembly.
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Know the roles of MTs
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Dynein between microtubules Two types of molecular motors are ATPases bound to MTs function in internal movement Or proteins or vesicles in cell Kinesin Where would kinesins be used?
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Which type of cell might be expected to have unusual problems in movement of cytoplasmic materials within the cell? A. B. C. D.
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How the microtubule arrays move in a flagellum or cilium What does the 9 +2 arrangement refer to?
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Dynein movement allows adjacent microtubules to slide relative to each other
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Movement of sperm flagellum and protist cilia occur via dynein and microtubules
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Kartagener’s
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