| Front | Depolarization |
| Back | A shift in the membrane potential, making it less negative. |
| Tags |
| Front | Symport |
| Back | A transporter that transfers 2 different solutes across a cell membrane in the same direction. |
| Tags |
| Front | Voltage-gated Na+ Channel |
| Back | Protein in the plasma membrane of electrically excitable cells that opens in response to membrane depolarization, allowing Na+ to enter the cell. It is responsible for action potentials in these cells. |
| Tags |