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Sihir Perempuan Penyihir
Ikut Turutan
Universiti
sains

Sir Meor

MEOR SYAZLAN
4
0
Masalah tambahan (4/ 20)
Larangan jawapan yang salah
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masalah 1

pilihan

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

masalah 2

pilihan

What happen to the axon membrane during rising phase of action potential?

  • Undergo repolarisation
  • Undergo depolarisation
  • Undergo hyperpolarisation

masalah 3

jawapan pendek

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

masalah 4

pilihan

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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