âº ârelating to towns and cities: an urban âarea/âcentre/âcommunity urban decay/âdevelopment/âplanning The âhigh-speed âtrain âlink is âresponsible for one of the biggest urban regeneration âprojects in the âarea. Compare rural. Compare. rural.
The SLC25A4 gene provides the instructions for making a protein called adenine nucleotide translocase type 1 (ANT1).ANT1 functions in mitochondria, which are structures within cells that convert the energy from food into a form that cells can use.he SLC25A4 gene provides the instructions for making a protein called adenine nucleotide translocase type 1 (ANT1).
Influenza A viruses are divided into subtypes on the basis of two proteins on the surface of the virus: hemagglutinin (HA) and neuraminidase (NA) . For example, an âH7N2 virusâ designates an influenza A virus subtype that has an HA 7 protein and an NA 2 protein.