An integral membrane transport protein that simutaneously transports two different molecules, in opposite directions, across the membrane.
Explanation. Antiporter: An antiporter is a cotransporter and integral membrane protein involved in secondary active transport of two or more different molecules or ions across a phospholipid membrane such as the plasma membrane in opposite directions. by George Plopper, David Sharp, Eric Sikorski. An antiporter is a type of carrier protein that simultaneously moves two or more different types of solutes in opposite directions across a membrane. Antiporters are also called exchangers. AP endonuclease is an enzyme in the BER pathway ... Answers. Best Answer: If only a molecule is transported across the membrane into or out of the cell through a protein channel, then it is called uniport membrane transport. Sorry, something has gone wrong 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. Answers. Best Answer: Symport is where two molecules or ions are transported in the same direction across a membrane. Antiport is where two molecules or ions are transported in opposite directions across a membrane.  An antiport is an integral membrane transport protein that simutaneously transports two different molecules, in opposite directions, across the membrane. The example below depicts the process by which HCl is secreted into the lumen on the stomach.  a cell membrane transport mechanism that transports two molecules at once through the membrane in opposite directions. See also countertransport and symport. Antiport: sodium-calcium exchanger. The electrochemical gradient of Na + is used to pump Ca 2+ out of the cell and thereby regulate the cytosolic Ca 2+ level.  Co-transport. Cotransport is the name of a process in which two substances are simultaneously transported across a membrane by one protein, or protein complex which does not have ATPase activity. Different types of co-transport. Symport. When both substances are transported in the same direction the transport protein is known as a symport. Antiport. antiporter. (cell and molecular biology). A channel protein that simultaneously or sequentially transports two different types of substrates across a cell membrane, one into the cell (for example sodium ion) and one out of the cell (for example calcium ion). 1  Facebook. 2  Twitter.  antiporter. (cell and molecular biology). A channel protein that simultaneously or sequentially transports two different types of substrates across a cell membrane, one into the cell (for example sodium ion) and one out of the cell (for example calcium ion). 
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what is antiport