Which of the following statements describes a correct fact about cytoskeletal filaments?
a. each of the building blocks of the three major cytoskeletal filaments can bind to and hydrolyze nucleotides.
b. intermediate filaments are typically thinner than actin filaments but thicker than microtubules.
c. all three cytoskeletal filaments are polar structures all three cytoskeletal filaments provide support for the nucleus
d. the building blocks of f-actin and microtubules are globular proteins, whereas those of intermediate filaments are filamentous proteins themselves.
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Which of the following statements describes a correct fact about cytoskeletal filaments?
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