Question

Give one example of antiport.

Answer 1

Antiport:

1. A mechanism for the coupled transportation of two different molecules or ions passing through a membrane in opposite directions is known as antiport.
2. It is a type of active transport.
3. One of the two substances which participate in the antiport mechanism flows from high concentration to low concentration.

Example of an antiport:

1. An example of an antiporter is the sodium-calcium antiporter where three sodium ions are passing into the cells for the transport of one calcium unit.
2. It is present in the heart muscles.