Identify each of the following reactions as an isomerization, phosphorylation, or phosphate transfer.a. glucose-6-phosphate→fructose-6-phosphateb. dihydroxyacetone phosphate→glyceraldehyde-3-phosphatec. fructose-6-phosphate→fructose-1,6-bisphosphated. 1,3-bisphosphoglycerate→3-phosphoglyceratee. glucose→glucose-6-phosphatef. phosphoenolpyruvate→pyruvate