Why is the conversion of dihydroxyacetone phosphate to glyceraldehyde 3-phosphate necessary in glycolysis?

• A. The conversion is an energy investment step.
• B. Glyceraldehyde 3-phosphate is the substrate for the next step in glycolysis.
• C. Dihydroxyacetone phosphate is toxic to the cell.
• D. The conversion produces ATP.

Answer: (B)