Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 41.1, Problem 1TC
Summary Introduction
To discuss:
The difficulty to hold a heavy weight in fully extended arms and the generation of very little force when the muscle is highly stretched.
Introduction:
The muscles relax and contract the body parts of the human body to cause the movements. The effect of the relaxation of the muscle is nullified by the effect of another muscle so that the first muscle can contract to its original place. The muscles also interact with each other for the proper functioning of the muscular system.
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Chapter 41 Solutions
Biology
Ch. 41.1 - Prob. 1TCCh. 41.1 - Prob. 2TCCh. 41.1 - Prob. 1CSCCh. 41.1 - White meat or dark? It seems almost everyone has a...Ch. 41.1 - Prob. 1CYLCh. 41.1 - Prob. 2CYLCh. 41.1 - Prob. 3CYLCh. 41.1 - explain how the nervous system causes contraction...Ch. 41.2 - describe the similarities and differences between...Ch. 41.2 - compare cardiac and smooth muscle to skeletal...
Ch. 41.3 - Why are thick, armor like exoskeletons found...Ch. 41.3 - Prob. 2TCCh. 41.3 - Prob. 3TCCh. 41.3 - Prob. 1CSCCh. 41.3 - Prob. 1CTCh. 41.3 - Prob. 1CYLCh. 41.3 - Prob. 2CYLCh. 41.3 - list and describe the functions of the different...Ch. 41.3 - explain how a bone fracture is repaired and how...Ch. 41.3 - Prob. 5CYLCh. 41 - Prob. 1MCCh. 41 - Prob. 2MCCh. 41 - Prob. 3MCCh. 41 - Prob. 4MCCh. 41 - Prob. 5MCCh. 41 - The three types of skeletal systems found in...Ch. 41 - Prob. 2FIBCh. 41 - A skeletal muscle cells is called a(n)__________....Ch. 41 - Prob. 4FIBCh. 41 - Prob. 5FIBCh. 41 - Prob. 6FIBCh. 41 - Prob. 7FIBCh. 41 - Sketch a relaxed muscle fiber containing a...Ch. 41 - Describe the process of skeletal muscle...Ch. 41 - Explain the following two statements: Muscles can...Ch. 41 - What are the three types of skeletons found in...Ch. 41 - Compare the structures of the following pairs:...Ch. 41 - Explain the functions of osteoblasts and...Ch. 41 - Describe a hinge joint and how it is moved by...Ch. 41 - Discuss some of the problems that would result. If...Ch. 41 - Prob. 2AC
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- In the diagram below, label the fine structure of a muscle, down to one of its myofibrils. Identify the basic unit of contraction in a myofibril.arrow_forwardIn a general sense, how do skeletal muscles produce movement?arrow_forwardHow do actin and myosin interact in a sarcomere to bring about muscle contraction? What roles do ATP and calcium play?arrow_forward
- Figure 38.37 Which of the following statements about muscle contraction is true? The power stroke occurs when ATP is hydrolyzed to ADP and phosphate. The power stroke occurs when ADP and phosphate dissociate from the myosin head. The power stroke occurs when ADP and phosphate dissociate from the actin active site. The power stroke occurs when Ca2+ binds the calcium head.arrow_forwardYou are training athletes for the 100-meter dash. They need muscles specialized for speed and strength, not endurance. What muscle characteristics would your training regimen aim to develop? How would you alter it to train a long-distance swimmer?arrow_forwardWhat is a motor unit? Why does a rapid series of muscle twitches yield a stronger overall contraction than a single twitch?arrow_forward
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