Membrane potential

Question 1

What formula can be used to calculate the change in free energy?

Answer 1

RT x ln(Ion To/Ion From) + zF x (Vm)

Question 2

What are the different types of -porters?

Answer 2

Uniporters- Transports one type of Ion in one direction across the membrane
Symporters- Transports two or more Ions in the same direction across the membrane
Antiporters- Transports two or more Ions in opposite directions across the membrane