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Sir Meor

Sir Meor

MEOR SYAZLAN
마녀의 마법
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Ikut Turutan
Universiti
Sains

Sir Meor

MEOR SYAZLAN

4

4 soalan

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# 1
Which of the components are important in maintaining resting membrane potential of an axon membrane?
sodium - potassium pump
more Na+ diffuse into than K+ diffuse out of the axon membrane
High concentration of anions in axon's cytoplasm
Present of more passive K+ ion channel
# 2
What happen to the axon membrane during rising phase of action potential?
Undergo repolarisation
Undergo depolarisation
Undergo hyperpolarisation
# 3
At which phase of action potential that Voltage - gated K+ channel will open while voltage-gated K+ channel will close?
falling phase
falling phase of action potential
# 4
The voltage — gated _____ channel closes slowly, causing _____ K+ will diffuse out of the axon. Membrane undergo ____________, until ______ -70mv.
Na+, more, depolarisation, above
K+, more, hyperpolarisation, below
K+, less, hyperpolarisation, below
Na+, less, depolarisation, above
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