Carrier (noun): A substance that provides a means of transporting something else, especially a microorganism or drug, within the body. Carrier-mediated transport is a form of active transport, which involves the use of membrane-bound proteins to facilitate the transport of molecules across a cell membrane. The proteins involved in this process, known as carrier proteins, […]
Transporters: Facilitators of Cellular Exchange The Essence of Cellular Transport: A Core Definition At the fundamental level of biology, transporters are specialized proteins integral to the function of all living cells. Their primary role is to facilitate the controlled movement of various molecules across cellular membranes, which are otherwise largely impermeable to many essential substances. […]