________ is protein in cytoskeleton gives tensile strength.
A
Actin
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B
Keratin
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C
Dynein
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D
Myosin
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Solution
The correct option is A Actin
Microfilaments are composed of linear polymers of G-actin proteins, and generate force when the growing (plus) end of the filament pushes against a barrier, such as the cell membrane.
Their functions include Muscle contraction, Tensile strength, Cell movement and Intracellular transport/trafficking.