Which glycolytic step is characterized by a highly negative delta G value, indicating a commitment step?

• A. The conversion of glyceraldehyde 3-phosphate to dihydroxyacetone phosphate
• B. The conversion of glucose to glucose 6-phosphate
• C. The conversion of fructose 6-phosphate to fructose 1,6-bisphosphate
• D. The conversion of glucose 6-phosphate to fructose 6-phosphate

Answer: (C)