1.4 Flashcards
Cations are _________
Positively Charged
Anions are _________
Negatively charged
Plasma membrane acts as the _________
Capacitor
Channels act as _________
Resistors (or conductors)
Channels act as _________
Resistors (or conductors)
Na/K pump acts at the ________
Generator
The ability of a system to store an electric charge is called ____________
Capacitance
Electric potential difference or voltage across a capacitor
V = Q(net charge) / C (Capacitance)
The membrane is a ___________ capacitor
Leaky
Channels give the membrane with ____________
Conductance
Measurement of voltage while controlling APPLIED current is called _____________
Current Clamp
Measurement of cell current while controlling cell voltage is called ___________
Voltage clamp
______________ Slows the time course of electrical signals
Membrane Capacitance
Capacitance =
Area / distance between the plates
Voltage clamp Experiment measures _________
Current
