<Li> Shaker gene mutations cause a defect in the voltage gated ion channels, slowing down the repolarization of the cell . </Li> <Li> Equine hyperkalaemic periodic paralysis as well as human hyperkalaemic periodic paralysis (HyperPP) are caused by a defect in voltage - dependent sodium channels . </Li> <Li> Paramyotonia congenita (PC) and potassium - aggravated myotonias (PAM) </Li> <Li> Generalized epilepsy with febrile seizures plus (GEFS+) </Li>

Ions may move across the plasma membrane in which of the following ways