複選題34. Which of following statements are TRUE:(A) Structure of nucleotides are composed of five-member ring sugar, base and phosphate group.(B) Amino acids are composed of amino group, carboxyl group and side chains(C) The bond which connects two amino acids together is called peptide bond(D) The bond which connects two nucleotides together is called glycosidic bond(E) The 1st amino acid is usually named as the 5' most amino acid