The 21 proteinogenic Î±-amino acids found in eukaryotes, grouped according to their side chains' pKa values and charges carried at physiological pH 7.4. Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, though other elements are found in the side chains of certain amino acids.
Kate in her final days at St Andrew's school, where she had an established circle of friends. When Kate Middleton asked her wedding guests to donate to an anti-bullying charity, the message seemed clear.
In Jordan, Catherine Middleton went to an English-language nursery school before returning to their home in Berkshire. Following her return from Amman in 1986, Middleton was enrolled at the age of four at St Andrew's School, a private school near the village of Pangbourne in Berkshire.