Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 47 - Musculoskeletal Systems - 47.1 - Interactions of Actin and Myosin Cause Muscles to Contact - 47.1 Recap - Learning Outcomes - Page 1008: 1

Answer

A skeletal muscle consists of groups of muscle fibers bundled together. Each of these muscle fibers is a multinucleate cell featuring numerous myofibrils. These myofibrils are organized assemblages of thick myosin and thin actin filaments. Muscle contraction is the result of the interactions between myosin and actin filaments.

Work Step by Step

A skeletal muscle consists of groups of muscle fibers bundled together. Each of these muscle fibers is a multinucleate cell featuring numerous myofibrils. These myofibrils are organized assemblages of thick myosin and thin actin filaments. Muscle contraction is the result of the interactions between myosin and actin filaments.
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