At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

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Answer 1

Question

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

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Answer 2

Question

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

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Answer 3

Question

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

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Answer 4

Question

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

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Answer 5

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

Answer 6

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

Answer 7

Chapter 1.2, Problem 8EIQ

Summary Introduction

Introduction:

At the peak of action potential, the sodium channels close. The cell to come back to its resting potential, it has to get back to its negatively charged state. But the interior of the cell becomes slightly positive due to the intake of sodium ions. To counteract this, and to get back to resting state, the potassium ions start moving out of the already open potassium channels, and the electrical and concentration gradients help to push them out.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 1.1 - Prob. 1EIQ Ch. 1.1 - Prob. 2EIQ Ch. 1.1 - Prob. 3EIQ Ch. 1.1 - Prob. 4EIQ Ch. 1.1 - Prob. 5EIQ Ch. 1.1 - Prob. 6EIQ Ch. 1.1 - Prob. 7EIQ Ch. 1.1 - Prob. 8EIQ Ch. 1.1 - Prob. 9EIQ Ch. 1.2 - Prob. 1EIQ

Solution Summary: The author explains that at the peak of action potential, the sodium channels close and the electrical and concentration gradients push the potassium ions out of the cell.

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