The role of ATP in muscle contraction and relaxation. Introduction: The muscle fibers contain alternate light and dark bands. The light bands have actin protein and the dark bands have myosin proteins. The cross-bridge between actin-myosin filaments results in muscle contraction. The cyclical changes occur in the skeletal muscle, which leads to the contraction of muscles.

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Chapter 12, Problem 24RA

Summary Introduction

To review:

The role of ATP in muscle contraction and relaxation.

Introduction:

The muscle fibers contain alternate light and dark bands. The light bands have actin protein and the dark bands have myosin proteins. The cross-bridge between actin-myosin filaments results in muscle contraction. The cyclical changes occur in the skeletal muscle, which leads to the contraction of muscles.

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