Whether a cell depolarize or hyperpolarize when Cl - channel opens. Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

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Answer 1

Question

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

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The resting membrane potential…A) Can be approximated using the Goldman-Hodgkin-Katz equation.B) Represents a difference in charges across the cell membrane, resulting mostly from the passive flow of Na+ions.C) Has no influence on the driving force that acts on different ions across the cell membrane.D) Is equally dependent on the concentration gradients of potassium and sodium across the cell membrane.E) Becomes hyperpolarized during an excitatory graded potential.

Which of the following is ther eason why the potassium leaves the cell readily at the peak of the action potential?A) The sodium-potassium pumps work hard to return potassium to the extracellular fluid. B) Diffusion will continue to push potassium into the cell, but electrostatic pressure will move potassium out of the cell. C) Diffusion will push potassium out of the cell, but electrostatic pressure continues to attract potassium to the interior of the cell. D) Both diffusion and electrostatic pressure will cause potassium to exit the cell.

Which statement is TRUE regarding the Na+ voltage-gated channel in neurons? A) Similar to the potassium ion channel, it exists as a tetramer in the membrane. B) Aspartate residues are part of the voltage-sensing helices. C) Positive membrane potentials on the extracellular side will close the channel. D) Ion specificity comes from the voltage-sensing helices.

Answer 2

Question

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

Expert Solution & Answer

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Answer 3

Question

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

Expert Solution & Answer

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Answer 5

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

Answer 6

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

Answer 7

Chapter 6.2, Problem 12CC

(a)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

Answer 8

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

Answer 9

(b)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

Answer 10

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

Answer 11

(c)

Summary Introduction

To determine: Whether a cell depolarize or hyperpolarize when Na⁺ channel opens.

Introduction: At rest, a neuron has a resting potential of -70 mV. This states that inside of the cell is more negatively charged than the surrounding. When resting potential increases or decreases, a neuron transmits the message.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 6.1 - Match the communication method on the left with...Ch. 6.1 - Which signal molecules listed in the previous...Ch. 6.1 - A cat sees a mouse and pounces on it. Do you think...Ch. 6.2 - List four components of signal pathways.Ch. 6.2 - Prob. 5CC Ch. 6.2 - What are the four steps of signal transduction?Ch. 6.2 - Prob. 7CC Ch. 6.2 - Prob. 8CC Ch. 6.2 - Name the four categories of membrane receptors.Ch. 6.2 - Prob. 10CC

Whether a cell depolarize or hyperpolarize when Cl - channel opens. Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

Solution Summary: The author explains that polarization is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

Concept explainers

Videos

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

Want to see the full answer?

Chapter 6 Solutions

Whether a cell depolarize or hyperpolarize when Cl - channel opens. Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

Solution Summary: The author explains that polarization is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

Concept explainers

Videos

To determine: Whether a cell depolarize or hyperpolarize when Cl- channel opens. Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

To determine: Whether a cell depolarize or hyperpolarize when K+ channel opens. Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.

Want to see the full answer?

Chapter 6 Solutions

To determine: Whether a cell depolarize or hyperpolarize when Cl^- channel opens.

Introduction: Polarization is the electric difference across the cell membrane. It is the process of producing positive and negative electric charges inside the cell with respect to the surroundings.

To determine: Whether a cell depolarize or hyperpolarize when K⁺ channel opens.

Introduction: Resting potential of a cell is -70 mV. When resting potential alters, the cell either becomes hyperpolarize or depolarize. It becomes more negative or more positive.