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 stands for Radio-frequency Identification Device and is a data storage tag that can be attached to an item for tracking. 1  An example of RFID are the tags included on all U.S. passports to store the passport information. 2  An example of RFID is the information stored on credit cards instead of on magnetic stripes.