In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

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Answer 1

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Chapter 18, Problem 4RQ

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In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

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Assume an axon has the same characteristics as the class example except the radius of the axon is 0.005 mm and the membrane thickness is 20.0 nm. The percentage fractional change in the concentration of Na+ ions in the axon during one action potential is %? Record the answer to the nearest one thousandth.

The velocity of spike propagation is proportional to the following combination of factors: 1 a C, V R„R, m Where a is the radius of the axon, Rm and R; are specific resistances of the membrane and the internal buffer, respectively. If we double the radius and simultaneously increase the concentration of salt inside the axon twice (i.e. R; decreases two times), by how many fold will the velocity change?

What is the magnitude of the electric field across an axon membrane 1.2×10−8 m thick if the resting potential is -70 mV ?

Answer 2

Question

Chapter 18, Problem 4RQ

To determine

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

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Answer 3

Question

Chapter 18, Problem 4RQ

To determine

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

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Answer 4

Question

Chapter 18, Problem 4RQ

To determine

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

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Answer 5

Chapter 18, Problem 4RQ

To determine

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

Answer 6

Chapter 18, Problem 4RQ

To determine

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

Answer 7

Chapter 18, Problem 4RQ

To determine

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 18 - Prob. 1RQ Ch. 18 - Prob. 2RQ Ch. 18 - Prob. 3RQ Ch. 18 - Prob. 4RQ Ch. 18 - Prob. 5RQ Ch. 18 - Prob. 6RQ Ch. 18 - Prob. 7RQ Ch. 18 - Prob. 8RQ Ch. 18 - Prob. 9RQ Ch. 18 - Prob. 10RQ

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

Solution Summary: The author explains that in the resting state of an axon, there are far more underset_K+ ions on the outside of the membrane than inside.

In the resting state of an axon. there are far more _ions on the outside of the membrane than inside and far more __ ions on the inside than outside.

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Chapter 18 Solutions