Questions 1. How does the patch-clamp technique help researchers study ion transport across cell membranes? 2. In general, about 107-108 ions/s pass through an open ion channel. In contrast, only 10² ions/s pass through an ion pump. How would you expect the strength of an electric current across an ion channel to compare with the strength across an ion pump? 3. What does Observation 1 suggest about ion flow through the sodium-potassium pump when palytoxin is added?
Questions 1. How does the patch-clamp technique help researchers study ion transport across cell membranes? 2. In general, about 107-108 ions/s pass through an open ion channel. In contrast, only 10² ions/s pass through an ion pump. How would you expect the strength of an electric current across an ion channel to compare with the strength across an ion pump? 3. What does Observation 1 suggest about ion flow through the sodium-potassium pump when palytoxin is added?
Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter19: Biomedical Laboratory Instrumentation
Section: Chapter Questions
Problem 9P
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