Really need with this biology question, :
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the picture shows the transport of sodium and potassium ions. the picture shows an na+/k+ atpase pump. what is a correct interpretation of the picture?

a) the picture shows a passive transport of sodium and potassium ions.
b) potassium ions are moved out of the cell and sodium ions are moved in.
c) the energy for the action of the pump is released by the utilization of atp.
d) the binding of the na+ ions changes the conformation of the lipid bilayer.

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if someone could , it'd be very appreciated!