MDCAT Biology MCQ #651

In the metabolic pathway of glycolysis, an intermediate is identified as a ketonic sugar containing only three carbon atoms. Name this molecule.

MDCAT Biology MCQ #651

  1. Question 1

    Q1. In the metabolic pathway of glycolysis, an intermediate is identified as a ketonic sugar containing only three carbon atoms. Name this molecule.

    • A) Glyceraldehyde
    • B) Ribulose
    • C) Dihydroxyacetone
    • D) Glucose

    Answer: Dihydroxyacetone

    Explanation: Dihydroxyacetone is a keto-triose, while glyceraldehyde is an aldo-triose. Ribulose is a pentose, and glucose is a hexose.