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Tamil Nadu Board of Secondary EducationHSC Science Class 11

At the end of repolarization, the nerve membrane gets hyperpolarized. Why? - Zoology

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Question

At the end of repolarization, the nerve membrane gets hyperpolarized. Why?

Short Note

Solution

At the end of repolarization, the membrane potential inside the axolemma becomes negative due to the efflux of K+ ions. When it becomes more negative than the resting potential − 70 mV to about – 90 mV, it becomes hyperpolarised.

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Chapter 10: Neural Control and Coordination - Evaluation [Page 201]

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Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 10 Neural Control and Coordination
Evaluation | Q 20. | Page 201
Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 10 Neural Control and Coordination
Evaluation | Q 20. | Page 194

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