NaKATPase PUMP Flashcards
1
Q
How do ions move by
A
Active transport
2
Q
What type of protein is the NaK pump
A
Transmembrane transporter
3
Q
What many sodium ions are pumped out of the cell
A
3
4
Q
How many potassium ions are pumped into the cell
A
2
5
Q
What does the pump hydrolyse
A
ATP
6
Q
When the phosphate binds to the protein what is this called
A
Phosphorylation
7
Q
The phosphorylation causes a what
A
Conformational change
8
Q
Why is the movement of sodium and potassium ions important
A
Maintain osmotic balance
Generate sodium ion gradient for glucose symport and in kidney tubules
Generate and maintain ion gradients for resting potential in neurons
9
Q
What percentage of the basal metabolic rate does the NaK pump account for
A
25%
