CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 39.1, Problem 1CC
Contrast the role of Ca2+ in the contraction of a skeletal muscle fiber and a smooth muscle cell.
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Contrast the role of Ca2+in the contraction of a skeletalmuscle fiber and a smooth muscle cell.
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Chapter 39 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
Ch. 39.1 - Contrast the role of Ca2+ in the contraction of a...Ch. 39.1 - WHAT IF? Why are the muscles of an animal that has...Ch. 39.1 - Prob. 3CCCh. 39.2 - Prob. 1CCCh. 39.2 - Prob. 2CCCh. 39.2 - Prob. 3CCCh. 39.3 - Prob. 1CCCh. 39.3 - MAKE CONNECTIONS How is the lunar-linked rhythm of...Ch. 39.4 - How might associative learning explain why...Ch. 39.4 - Prob. 2CC
Ch. 39.4 - MAKE CONNECTIONS How might a learned behavior...Ch. 39.5 - Prob. 1CCCh. 39.5 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 39.6 - Prob. 1CCCh. 39.6 - Prob. 2CCCh. 39 - During the contraction of a vertebrate skeletal...Ch. 39 - Prob. 2TYUCh. 39 - According to Hamiltons rule, A. natural selection...Ch. 39 - The binding of calcium to the troponin complex A....Ch. 39 - Curare, a substance that blocks the acetylcholine...Ch. 39 - Prob. 6TYUCh. 39 - Prob. 7TYUCh. 39 - SCIENTIFIC INQUIRY Propose a hypothesis to explain...Ch. 39 - Prob. 9TYUCh. 39 - Prob. 10TYUCh. 39 - FOCUS ON INFORMATION Learning is defined as a...Ch. 39 - Prob. 12TYU
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- Explain why (a) calcium ions and (b) ACh are vital for muscle contraction.arrow_forwardDiscuss the similarities and differences by which Ca2+ activity is involved in initiating muscle contraction in skeletal versus smooth muscle fibers (hint: include Ca2+ sources, proteins it binds to, and signaling cascade it activates leading to contraction). (please explain in sentences, max 12 sentences)arrow_forwardDescribe the protein structures involved in muscle contraction.arrow_forward
- Contraction of both skeletal and smooth muscle is triggered by an increase in cytosolic Ca2+. Compare the mechanisms by which each type of muscle converts a rise in Ca2+ concentration into contraction.arrow_forwardDescribe the protein structures involved in muscle contraction. Illustratearrow_forwardDescribe the functions of skeletal muscle proteins.arrow_forward
- Describe the sequence of events by which an action potential in a motor neuron produces an action potential in the plasma membrane of a skeletal muscle fiber?arrow_forwardDefine what the NMJ is and why it's important for muscle contraction. Explain in short the process of the NMJ signaling the muscle to contract. Note the difference between a motor unit and the NMJ.arrow_forwardExplain how the process of skeletal muscle excitation–contraction coupling demonstrates the general principle of physiology that controlled exchange of materials occurs between compartments and across cellular membranes.arrow_forward
- In order to study and understand muscle diseases, one needs to have a good understanding of normal muscle function. Briefly outline the process of cross-bridge cycling in muscle contraction. Be sure to highlight the role of Ca2+ and ATP/ADP in the process.arrow_forwardDiscuss the sequence of events between a Motor Neuron Action Potential and Skeletal Muscle Fiber Contraction?arrow_forwardIllustrate and describe the fine structure (electron micrograph) of a skeletal muscle fiber.arrow_forward
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