The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event. Introduction: Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na + . The graded potential of the plasma membrane is restricted to this small, specialized area.

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Answer 1

Question

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

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List the characteristics of a local potential versus an action potentials. Describe where each happens and what type of gates are involved and what is achieved

What determines the size of a graded potential?

List four ways in which an action potential is different from a local potential.

Answer 2

Question

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

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Answer 3

Question

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

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Answer 4

Question

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

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Answer 5

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

Answer 6

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

Answer 7

Chapter 4.2, Problem 1CYU

Summary Introduction

To discuss:

The variation in the magnitude and duration of a graded potential with the magnitude and duration of a triggering event.

Introduction:

Graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force. The graded potential is generated by a specific trigger event which leads to the opening of the gated ion channels in an excitable cell membrane region. The resulting ion movement creates the graded potentials which most often results in depolarization from net Na⁺. The graded potential of the plasma membrane is restricted to this small, specialized area.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 4.1 - Name the two types of excitable tissue.Ch. 4.1 - Prob. 2CYU Ch. 4.1 - State the factor responsible for triggering gate...Ch. 4.2 - Prob. 1CYU Ch. 4.2 - Prob. 2CYU Ch. 4.2 - Prob. 3CYU Ch. 4.3 - Draw and label an action potential, indicating the...Ch. 4.3 - Prob. 2CYU Ch. 4.3 - Prob. 3CYU Ch. 4.3 - Prob. 4CYU

Solution Summary: The author explains that graded potentials are local changes in the membrane potential in different levels or degrees of magnitude or force.

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