9) Answer the following using the image belovw. a. In the top panel the membrane

Question

9) Answer the following using the image belovw. a. In the top panel the membrane potential is being manipulated experimentally. What is the b. There is an early inward current and a late outward current. Which ion is responsible for each of c. Why does the early current disappear and then reverse at very positive membrane potentials? name of this technique? (2 points) these currents? (2 points) How could you prove that this is true? (2 points) (4 points) 75 +65 25 0 -25 26 0 o 2 4 6 8 0 2 4 6 8 0 2 4 6 8 2 4 6 8 0 2 4 6 8

Explanation / Answer

9. c. Because current shown in picture, is reversed with respect to polarity. This reverse polarity is at potentials more positive than around +55 mV.

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