BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 32, Problem 7SA
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 thin filament has actin as a motor protein.
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