PRIMARY ACTIVE TRANSPORTNa/K ATPASE

• 1- SODIUM IS COMPLEXED

• 2- CARRIER PHOSPHORYLATED

• 3- CARRIER MOVES TO OTHER SIDE RELEASING SODIUM

• 4- CARRIER BINDS POTASSIUM AND PHOSPHTE IS REMOVED

• 5- CARRIER MOVES TO OTHER SIDE

• 6- CARRIER RELEASES POTASSIUM

• 7- CARRIER RETURNS TO STEP 1

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