Answer: c Explanation: In general, all α-amino acid consists of an amino group, a hydrogen atom, and a distinctive side chain, all bonded to α-carbon. Proline is the only amino acid which has a cyclic distinctive side chain which differs from all other amino acids.
Apr 17, 2017 · The Good. Carbon dioxide is a so-called “greenhouse” gas. It retards radiative cooling. All other factors held equal, increasing the atmospheric concentration of CO2 will lead to a somewhat higher atmospheric temperature.