-A-Potassium-not moving; B-Sodium-moving out-A-Sodium-not moving ; B-Potassium-moving out-A-Sodium-not moving; B-Potassium-moving in-A-Potassium-not moving ; B-Sodium-moving in Using the figure of a cell on the right, two channels are shownfor Step 3 of the action potential (as depicted on the left). Whichchannel (A or B) is the sodium channel versus the potassiumchannel? Which direction are the ions moving in Step 3?+30В23A-554-70134Time (msec)Membrane potential (mV)

Given:Figure of cell for sodium and potassium channel.andMembrane potential vs time graph.

Answered: -A-Potassium-not moving;…

-A-Potassium-not moving; B-Sodium-moving out -A-Sodium-not moving ; B-Potassium-moving out -A-Sodium-not moving; B-Potassium-moving in -A-Potassium-not moving ; B-Sodium-moving in

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter18: Introduction To Electrochemistry

Section: Chapter Questions

Problem 18.2QAP

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

-A-Potassium-not moving; B-Sodium-moving out

-A-Sodium-not moving ; B-Potassium-moving out

-A-Sodium-not moving; B-Potassium-moving in

-A-Potassium-not moving ; B-Sodium-moving in

Using the figure of a cell on the right, two channels are shown
for Step 3 of the action potential (as depicted on the left). Which
channel (A or B) is the sodium channel versus the potassium
channel? Which direction are the ions moving in Step 3?
+30
В
2
3
A
-55
4
-70
1
3
4
Time (msec)
Membrane potential (mV)

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