Mediated transport refers to transport mediated by a membrane transport protein. It is a uniport system because it specifically transports glucose in only one direction, down its concentration gradient across the cell membrane.Click to see full answer. Also asked, is carrier mediated transport active or passive?Facilitated diffusion or uniport is the simplest form of passive carrier-mediated transport and results in the transfer of large hydrophilic molecules across the cell membrane. Cotransport or symport is a form of secondary active transport.Subsequently, question is, what is non mediated transport? Non-mediated transport – occurs through simple diffusion. 2. Mediated transport – occurs through the action of. specific carrier proteins (carriers, permeases, porters, translocases, translocators, transporters) Just so, does mediated transport require energy? Mediated Transport. The transplacental transfer of most nutrients and ions is mediated by specific transport mechanisms. When mediated transport does not require energy expenditure, the transport is termed “facilitated transport” or “facilitated diffusion”.What are three mechanisms of carrier mediated transport?primary active transport. facilitated diffusion. secondary active transport.