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Cards In This Set
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Also known as exchangers
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Antiporters
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The number of potassium ions moved per ATP by the sodium-potassim pump
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Two
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Transport process mediating solute movement against its concentration gradient
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Active transport
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Can not diffuse through a lipid bilayer due to charge and hydration
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Ions
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Class of ATP-drive pumps that undergo autophosphorylation
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P type pumps
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Direction of sodium movement by the sodium-potassium pump
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Out of the cell
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Primarily responsible for generating the membrane potential in animal cells
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Potassium leak channels
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The plasma membrane sodium-calcium exchanger is drive by the concentration of this ion.
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Sodium
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The most abundant intercellular cation
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Potassium
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Narrowest part of an ion channel; determines which ions can pass
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Selectivity filter
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Describes the difference in electrical charge across a membrane
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Membrane potential
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Net driving force generated by solute concentration gradient and electrical gradient
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Electrochemical gradient
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Their movement of solutes across a membrane requires a change in conformation.
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Carriers
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Transport process mediated by channel proteins; no energy input required.
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Passive transport
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Form a narrow hollow pore for the passage of water-soluble molecules across a membrane.
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Channels
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