Which of the following metabolic conversions is considered to be
the major control point of glycolysis?
O dihydroxyacetone phosphate $\rightarrow$ glyceraldehyde-3-phosphate
O Fructose-1,6-bisphosphate $\rightarrow$ dihydroxyacetone phosphate + glyceraldehyde-3-phosphate
O Fructose-6-phosphate $\rightarrow$ fructose-1,6-bisphosphate
O 2-phosphoglyerate $\rightarrow$ phosphoenolpyruvate