Bio-Chemistry (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

Practice Mode:

The opening of axon membrane voltage-gated potassium channels is responsible for which part of the action potential ?

A: Depolarisation of the membrane
B: Repolarisation of the membrane
C: Contraction of the post synaptic muscle fibre
D: Signalling vesicular release of neurotrasmitters

The answer is: B