Question

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Answer 1

Answer:

Actin is a family of globular multi-functional proteins that form microfilaments. It is found in essentially all eukaryotic cells, where it may be present at a concentration of over 100 μM

Explanation:

Function of  Actin Protein : (1) Being the structural makeup and support of the cytoskeleton. (2) Dividing and producing cells in order to enable cells to move spontaneously and actively. (3) Serving as a supportive framework for myosin proteins during muscle contraction.

Structure of Actin Protein : They are the smallest cytoskeletal filaments, with a diameter of 7 nm. They are thin, relatively flexible threads that can be crosslinked together in different ways to form very different structures. Actin monomers are called globular actin or G-actin