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Section 4.6

Across
A microscopic tubular structure present in numbers in the cytoplasm of cells.
A short microscopic hairlike vibrating structure found in large numbers on the surface of certain cells
Have a larger diameter than the microfilaments but smaller than microtubules.
Cell motility requires the interaction of the cytoskeleton with...
The microtubule assembly of a cilium or flagellum is anchored in the cell by a...
Large motor proteins.
Down
Causes the contraction of muscles.
A network of fibers extending throughout the cytoplasm.
Thin solid rods. Built from actin.
A slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa, etc. to swim.
A globular protein.
Organelles which serve as the main microtubule organizing centers for animal cells.
Composed of nine sets of triplet microtubules arranged in a ring.