Which of the following best describes the glycosidic bond in the disaccharide shown above? A) α-(1-4) B) B(1-4) C) a-(2-4) D) B-(2-4) E) None of the above 37. The enzyme hexokinase A) phosphorylates a number of different sugars, including glucose, fructose, and mannose. B) specificaly phosphorylates glucose rather than other sugars. C) is the only kinase involved in glycolysis. D) does not participate in glycolysis E) None of the above 38. Which of the following enzymes interconverts an aldose and a ketose? A) kinase C) mutase E) phosphorylase 39. In glycolysis, ATP is synthesized by A) substrate-level phosphorylation. D) A) and B) E) A). B) and C) 40. Several of the enzymes of glycolysis fall into classes that are seen often in metabolism. Which of the following description is incorrect? A) Aldolases cleave aldols into two smaller molecules, one containing a keto group and one being an enol or enol precursor B) Dehydrogenases catalyze redox reactions involving NADH Hor FADHz in which the substrate's oxidation state changes and a hydrogen or hydrogens transfer from the substrate C) Isomerases perform molecular rearrangement reactions in which the molecular formula of the substrate does not change, but the isomeric form of the molecule is altered D) Kinases transfer phosphate groups from molecules containing high-energy phosphates to substrate E) None of the above 1 Which of the following exercise(s) allosteric control in the reaction of phosphofructokinase? A) ATP B) fructose 2,6-bisphosphate C) ATP and fructose 2,6-bisphosphate D) ADP and glucose-1-phospate E) None of the above