To accomplish this, cells use a special ion transporter that exchanges the hydrogen ion for a potassium ion across the cell membrane.

为此，细胞运用特殊的离子转运体，跨细胞膜以1个钾离子交换1个氢离子。

That gene encodes for an ion transporter, and mutations in that transporter cause the pancreatic secretions to become thick and sticky, leading to obstruction of the ducts.

这个基因编码一种离子转运体，该转运体的突变会导致胰腺分泌物变得黏稠，引起胰管堵塞。