How do the regulatory proteins work to regulate contraction?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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How do the regulatory proteins work to regulate contraction? Simplify the answer.
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The muscle cells are also called the muscle fibrils and contain two types of myofilaments: thick and thin filaments. The thick filaments are primarily composed of myosin protein and are held in place by titin filaments. The thin filament is primarily composed of actin protein and is coiled with nebulin filaments. These actin and myosin proteins are the contractile proteins which slide over each other to allow muscle contraction.
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