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Sihir Perempuan Penyihir
Ikut Turutan
Menengah Atas 12
sains

Chapter 10

HAMIZAH BINTI
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masalah 1

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What is meant by resting potential

  • The membrane potential at rest (sleeping)
  • The electrical potential that exsists across plasma membrane at rest, when there is no stimulus
  • The difference in electrical charge across a cell's plasma membrane due to the differential distribution of ions.

masalah 2

pilihan

Which of the following is the INCORRECT factor contributes to maintenance of resting potential

  • Unequal distribution of ions in extracellular fluid and cytosol
  • Inability of large ions to exit cell
  • presence of voltage-gated sodium channel and voltage-gated potassium channel
  • Presence of sodium-potassium pump

masalah 3

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What is meant by ACTION POTENTIAL

  • the change in membrane potential in respond to stimuli
  • An electrical signal that propagates along membrane of a neuron or other excitable cell as a nongraded depolarization
  • An electrical signal that propagates along membrane of a neuron or other excitable cell as a nongraded repolarization
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