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).
The sidechain R is a combination of atoms that is different for every amino acid. Credit: Wikimedia Commons. Only 20 standard amino acids are used to build proteins, but why exactly nature chose these particular amino acids is still a mystery.One step towards solving this is to explore the âamino acid spaceâ, the set of possible or hypothetical amino acids that might have been used instead.he sidechain R is a combination of atoms that is different for every amino acid. Credit: Wikimedia Commons. Only 20 standard amino acids are used to build proteins, but why exactly nature chose these particular amino acids is still a mystery.