39. Sodium-potassium pumps a. establish an electrochemical gradient across membranes b. require carrier proteins and energy c. accumulate potassium inside cells d. are important in signal transmission down axons e. all the above are true
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Sodium-potassium pumps do establish an electrochemical gradient across membranes by moving sodium ions out of the cell and potassium ions into the cell. b. Sodium-potassium pumps require carrier proteins (the pump itself is a type of carrier protein) and energy Show more…
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The sodium-potassium pump a. uses energy to move sodium ions out of the cell and potassium ions into the cell. b. can move sodium ions only from an area where they are highly concentrated to an area where they are less concentrated. c. can move potassium ions (K') only toward a region that is positively charged. d. is part of the myelin sheath.
the sodium-potassium pump located in the plasma membrane a. actively transports potassium into cells b. osmotically moves sodium into cells c. actively transports water out of cells d. moved chlorine out of cells e. actively transports sodium into cells
Madhur L.
The sodium-potassium pump a. works through a series of conformational changes to move sodium and potassium ions across a membrane. b. is a symporter. c. moves sodium down its concentration gradient and potassium against its concentration gradient. d. All of the above
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