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1. In eukaryotic flagella, the fibers that slide past one another due to the activity of dynein proteins are microtubules. 2. Many cell organelles, most notably the nucleus, are anchored by microtubules which are assembled from a diverse class of proteins. 3. Centrosomes are sites where protein dimers assemble into microfilaments. 4. The extension of pseudopodia in amoeba is due to the regulated assembly and destruction of microtubules. 5. The only cytoskeletal fibers not associated with intracellular movement or whole cell locomotion are the intermediate filaments. 6. During muscle contractions, myosin motor proteins move across tracks of microtubules.
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1. In eukaryotic flagella, the fibers that slide past one another due to the activity of dynein prot...
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