Membrane potential flashcards

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what is Membrane potential Membrane potential is the difference in electric potential between the interior and exterior cell membrane
Cells are surrounded by a membrane composed of lipid bilayer
The sodium potassium pump use energy to transport ________ out and ________ in The sodium potassium pump uses energy to transport sodium out (arrow) and potassium in
potassium channels allow __________ to flow back out potassium
what is graded potential this is the change in membrane potential that occur due to the opening and closing of ligand gated and mechanical gated channels in response to stimulus
where does graded potential happen graded potential takes place in sensory receptors, dendrites and cell bodies
what does opening ligand gated channels produce ligand gated channels produces graded potential
__________ generates an action potential graded potential
what does opening voltage gated channels produce ligand gated channels produces action potential
The positive or negative change in membrane potential that may follow an action potential after potential
A decrease in membrane potential (the interior of the neuron becomes less negative) depolarization

what is Membrane potential

Cells are surrounded by a membrane composed of

The sodium potassium pump use energy to transport ________ out and ________ in

potassium channels allow __________ to flow back out

what is graded potential

where does graded potential happen

what does opening ligand gated channels produce

__________ generates an action potential

what does opening voltage gated channels produce

The positive or negative change in membrane potential that may follow an action potential

A decrease in membrane potential (the interior of the neuron becomes less negative)

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