Which of the following protein prevents contraction by covering binding sites on actin tereby preventing its interaction with myosin?
Correct Answer: Tropomyosin
Description: Tropomyosin molecules lie on top of the active sites of the actin strands, thereby preventing the attraction between the actin and myosin filaments. Ref: Review of Medical Physiology, 23rd Edition By Wiiliam F Ganong; Guyton and Hall Medical Physiology, 10th Edition, Page 71.
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