Voltage-gated ion channels are responsible for generation of electrical signals in cell membranes. Their principal subunits are members of a gene family and can function as voltage-gated ion channels by themselves. They are expressed in association with one or more auxiliary subunits which increase functional
3. Pass the medical exam. To be a firefighter, you will need to have coordination, agility, and strength, as well as an overall high level of physical fitness. You must also be in general good health and be free of any physical constraints.
Itâs true that you donât need a degree to become a firefighter. A high school diploma and a good dose of bravery can serve you just fine. But remember that hundreds, maybe even thousands, of other applicants have those qualifications, too. A fire science degree is worth it to help you stand out from the crowd.