The three stages of voltage-gated Na + channels in neurons. Concept introduction: The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

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Answer 1

Question

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

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Describe the three states of voltage-gated Na+ channels in neurons.

Describe the action potential in terms of the different functional states of the voltage- gated Na+ membrane channels (Note: there are three states)

At the peak of an action potential, would the relative permeability of Na be higher than K? Which ion would be the least permeable to the membrane during falling phase?

Answer 2

Question

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

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Answer 3

Question

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

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Answer 4

Question

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

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Answer 5

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

Answer 6

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

Answer 7

Chapter 12.6, Problem 16WDL

Summary Introduction

To describe:

The three stages of voltage-gated Na+ channels in neurons.

Concept introduction:

The unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon in a specific location cause a series of electrical response or action potential.

Answer 8

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Answer 11

Ch. 12.1 - Prob. 1LO Ch. 12.1 - Prob. 1WDL Ch. 12.1 - Prob. 2LO Ch. 12.1 - Prob. 3LO Ch. 12.1 - What are the two primary functional divisions of...Ch. 12.1 - Prob. 4LO Ch. 12.1 - Prob. 5LO Ch. 12.2 - What are the three connective tissue wrappings in...Ch. 12.2 - Prob. 6LO Ch. 12.2 - Prob. 4WDL

Solution Summary: The author describes the three stages of voltage-gated Na + channels in neurons: resting, activation, and inactivation.

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