Question

lg0i0oyy.chUmycvitemiew assignmentProblemID-105296236 < Homework #8 How Neurons Work (1 of 3): Neuron Structure and Resting Potential (BioFlix tutorial) Part B- lon movements at resting potential The diagram below shows the five main transport proteins that control the distribution of Na" and Kt ions across the plasma membrane of an axon. the membrane is at resting potential-the membrane potential of the axon remains constant at about-70 mV Assume that Drag the arrows onto the diagram to show the direction of Na* (gray arrows) and K* (red arrows) movement through each transport protein at resting potential. If no ions move through a transport protein at resting potential, leave that target blank View Available Hint(s) Reset Help outside cell voltage-gated Na channel voltage-gated K channel O sodium-potassium O non-gated Na" channel pump K channel inside cell dunamics of Memhrane Potential-ADD YOUR PAGE TITLE

Answer 1

1. In the Voltage gated Na+ channel, during the resting potential, the Na+ is present on the outside and there is no movement of either Na+ or K+ through the channel. It opens the conformation when it gets an action potential.
2. During the resting potential in case of the voltage gated K+, there is influx of the K+ so that there is a well balance maintained. It will be last diagram where there is the red arrow moving downwards.
3. During the sodium potassium pump, there are two K+ which moves inside the cell and three Na+ which moves outside the cell. This helps in maintaining the resting potential making it the 2^nd box from the left.
4. Non gated K+ channel is when the channels are always open and during this there will be influx of the K+ inside the cell which makes it the last box.
5. In non-gated Na+ channel, at resting potential there will always be influx of the Na+ ions to the outside and it is the 4^th box from the left.