Biology: Concepts and Applications (MindTap Course List)
9th Edition
ISBN: 9781285427812
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 32, Problem 2SQ
Summary Introduction
Introduction:
A mature skeletal muscle consists of thousands of muscle fibers which are known as myofibrils. These are threadlike proteins which are arranged in identical contractile units called sarcomeres. The thick filament of the sarcomere has a motor protein called myosin and the thin filament has actin as a motor protein.
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