To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca 2+ channels in T tubules, allowing extracellular Ca 2+ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false. Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

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Answer 1

Question

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

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Answer 2

Question

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

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Answer 3

Question

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

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Answer 4

Question

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

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Answer 5

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

Answer 6

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

Answer 7

Chapter 16, Problem 2P

Summary Introduction

To examine: Whether the statement, “Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca²⁺ channels in T tubules, allowing extracellular Ca²⁺ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction”, is true or false.

Introduction: Calcium ions play an important role in the muscle contraction. The skeletal muscle contraction is initiated when the calcium ions bind to the troponin that linked with the actin filament. Then calcium ion induces a change in the configuration of troponin complex, thus tropomyosin shifts from the actin filament to the myosin head initiates contraction.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 16 - Prob. 1P Ch. 16 - Prob. 2P Ch. 16 - Prob. 3P Ch. 16 - Prob. 4P Ch. 16 - Prob. 5P Ch. 16 - Prob. 6P Ch. 16 - Prob. 7P Ch. 16 - Prob. 8P Ch. 16 - Prob. 9P Ch. 16 - Prob. 10P

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