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Subject - Biochemistry, Cell Biology

Microfilaments are (together with microtubules and intermediate filaments) components of the cytoskeleton and are made of actin. Actin that is polymerized to form microfilaments is called F-actin (filamentous actin), in contrast to nonaggregated, monomeric G-actin (globular actin). In animal cells, F-actin is associated with a number of proteins, including myosin, troponin, tropomyosin and α-actinin, among others.

See also: microtubules

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