Cell Structure: Subcellular Components

AP Biology· difficulty 2/5

Microfilaments of the cytoskeleton are composed of

A
$Actin$
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B
$Tubulin$
C
$Keratin$
D
$Cellulose$

Explanation

Actin monomers polymerize into thin filaments responsible for cell shape, motility, and (with myosin) muscle contraction.

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