Cytoskeleton Structure and Function

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Vocabulary flashcards covering the components, structure, protein subunits, and functions of the cytoskeleton.

9 Terms

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Cytoskeleton

Provides structure and support to the cell and facilitates cellular transport.

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Microtubules

The largest cytoskeletal element, made of the protein subunit tubulin.

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Tubulin

The protein subunit that composes microtubules.

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<p>$$9+2$$ arrangement</p>

9+29+2 arrangement

Microtubule organization found in flagella and cilia consisting of 9 pairs of microtubules arranged in a ring, with 2 microtubules in the middle.

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Centrioles

Organelles featuring a 9+09+0 microtubule arrangement (9 pairs and none in the middle) that help separate chromosomes during cell division.

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9+09+0 arrangement

The microtubule structure of centrioles characterized by 9 pairs arranged in a ring and none in the middle.

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Microfilaments

The thinnest cytoskeletal elements, composed of the protein actin and involved in cytokinesis of animal cells.

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Actin

The protein that makes up microfilaments.

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Intermediate filaments

The most stable cytoskeletal elements, present only in animal cells of certain tissues, which anchor organelles and provide mechanical strength.