1 Some virulent bacteria produce special proteins that allow them to colonize parts of the host body. 2  Helicobacter pylori is able to survive in the acidic environment of the human stomach by producing the enzyme urease.
rfid-Computer Definition. (R adio F requency ID entification) A data collection technology that uses electronic tags for storing data. The tag, also known as an electronic label, transponder or code plate, is made up of an RFID chip attached to an antenna.
RFID - radio frequency identification. Related Terms. (pronounced as separate letters) Short for radio frequency identification, RFID is a technology similar in theory to bar code identification. With RFID, the electromagnetic or electrostatic coupling in the RF portion of the electromagnetic spectrum is used to transmit signals.