Question

The transition from slow depolarization to an action potential in pacemaker cells is driven by the ________ of the ________ channel.

A) opening : T-type calcium
B) opening : sodium
C) closure : L-type calcium
D) closure : T-type calcium
E) opening : L-type calcium

Answer 1

The transition from slow depolarization to an action potential in pacemaker cells is driven by the opening of the T-type calcium channel.

Step-by-step explanation:

The transition from slow depolarization to an action potential in pacemaker cells is driven by the opening of the T-type calcium channel.