1). Propose a mechanism for: (i) the formation of fructose 1,6-bisphosphate from dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate (GAP) catalyzed by aldolase (ii) the formation of GAP from 1,3-bisphosphoglycerate catalyzed by glyceraldehyde 3-phosphate dehydrogenase