Apedia

IB Biology HL

Pump Sites Pump.  Phosphate Group Potassium Sodium Potassium Sodium

Original bind to intracellular sites on the sodium-potassium pump. A phosphate group is transferred to the pump via the hydrolysis of ATP. The pump undergoes a
conformational change, translocating sodium across the membrane. This exposes 
two potassium binding sites on the extracellular surface of the pump. The phosphate group is released which causes the pump to
return to its original conformation. This translocates the 
potassium ions across the membrane, completing the ion exchange 
Title Describe the process of ion exchange at the sodium-potassium pump: Three sodium ions
Settings 1,1,0 | n,n,n,n
Text1
bind to intracellular sites on the sodium-potassium pump. 
...
...
...
...
...
...
...
...
...
Text2
bind to intracellular sites on the sodium-potassium pump. 
A phosphate group is transferred to the pump via the hydrolysis of ATP
...
...
...
...
...
...
...
...
Text3
...
A phosphate group is transferred to the pump via the hydrolysis of ATP
. The pump undergoes a
...
...
...
...
...
...
...
Text4
...
...
. The pump undergoes a
conformational change, translocating sodium across the membrane.
...
...
...
...
...
...
Text5
...
...
...
conformational change, translocating sodium across the membrane.
 This exposes 
...
...
...
...
...
Text6
...
...
...
...
 This exposes 
two potassium binding sites on the extracellular surface of the pump. 
...
...
...
...
Text7
...
...
...
...
...
two potassium binding sites on the extracellular surface of the pump. 
The phosphate group is released which causes the pump to
...
...
...
Text8
...
...
...
...
...
...
The phosphate group is released which causes the pump to
return to its original conformation. 
...
...
Text9
...
...
...
...
...
...
...
return to its original conformation. 
This translocates the 
...
Text10
...
...
...
...
...
...
...
...
This translocates the 
potassium ions across the membrane, completing the ion exchange 
Full
bind to intracellular sites on the sodium-potassium pump. 
A phosphate group is transferred to the pump via the hydrolysis of ATP
. The pump undergoes a
conformational change, translocating sodium across the membrane.
 This exposes 
two potassium binding sites on the extracellular surface of the pump. 
The phosphate group is released which causes the pump to
return to its original conformation. 
This translocates the 
potassium ions across the membrane, completing the ion exchange 

Tags: 1_4_membrane_transport

Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.

Next card: Materials transported er membrane bulges buds create vesicle

Previous card: Ions cell integral protein exchanges  sodium exits potassium

Up to card list: IB Biology HL