Antiporter illustration. An antiporter (also called exchanger or counter-transporter) is a cotransporter and integral membrane protein involved in secondary active transport of two or more different molecules or ions (i.e., solutes) across a phospholipid membrane such as the plasma membrane in opposite directions.n antiporter (also called exchanger or counter-transporter) is a cotransporter and integral membrane protein involved in secondary active transport of two or more different molecules or ions (i.e., solutes) across a phospholipid membrane such as the plasma membrane in opposite directions.
The nearest major airport is Lancaster Airport (LNS / KLNS). This airport has domestic flights and is about six (6) driving miles from the center of Lancaster, PA. Another m â¦ ajor airport is Harrisburg International Airport (MDT / KMDT), which has international and domestic flights from Harrisburg, Pennsylvania and is 32 driving miles from Lancaster.
Major cities near Gettysburg, PA. This is a list of large cities closest to Gettysburg, PA. A big city usually has a population of at least 200,000 and you can often fly into a major airport. If you need to book a flight, search for the nearest airport to Gettysburg, PA. 1  50 miles to Baltimore, MD. 2  65 miles to Washington, DC. 3  110 miles to Philadelphia, PA.