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Ion Channels & MP

QuestionAnswer
Which side of a cell membrane is more negatively charged Outside
Which side of the cell membrane is more positively charged Inside
What factors determine the direction of ion movement across a cell membrane Concentration of ions, ability of ions to move across the membrane, electrical charge of ions
Membrane potential is described using what unit of measurement Volts
What is the function of ion channels in a cell Allows charged particles to pass through the cell membrane
What is a resting membrane potential When a neuron is not transmitting an impulse it is said to have resting
What is an action potential A nerve that moves down the axon like a wave
What happens to the electrical on either side of a cell membrane during an action potential It becomes more positive on the outside
What is resting potential in mV 70mV
Name the active transport mechanism that is responsive for maintaining the proper number of ions on each side of the membrane Sodium Potassium Pump
Created by: mhackett
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