Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
11th Edition
ISBN: 9780134082318
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 50.5, Problem 2CC
Summary Introduction

To determine: Why the muscles becomes likely stiff, when an animal dies.

Concept introduction: The contraction of muscle cells rely on the interactions between the thick and the thin filaments. The thick filaments are called as the myosin molecules, whereas the thin filaments are called as the actin filaments. The contraction of muscles is the result of filaments motion that is powered by a chemical energy. Myosin molecules comprises of a head and a tail. The head portion is responsible for binding to the ATP (Adenosine Triphosphate).

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Vhat are the two types of muscle movement categories? Give an example for both. Describe Swammerdam's experiment and Galvani's experiment with frog legs. What did they tell us about muscle contraction? What is the sliding-filament model for muscle contraction? Describe the role of actin and myosin of sarcomeres in the model (be specific). Describe how an action potential triggers muscle contraction. Know the specific molecules involved. . Describe the structural and functional differences between smooth, cardiac and skeletal muscles. What are the three types of skeletal muscle fibers and how do they differ in structure and function? Next « Previous MacBook Pro
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Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)

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