MDCAT Biology MCQ #356

To synthesize one molecule of glucose, the Calvin cycle must fix six CO2 molecules. How many total NADPH molecules are consumed?

MDCAT Biology MCQ #356

  1. Question 1

    Q1. To synthesize one molecule of glucose, the Calvin cycle must fix six CO2 molecules. How many total NADPH molecules are consumed?

    • A) 6 NADPH
    • B) 9 NADPH
    • C) 12 NADPH
    • D) 18 NADPH

    Answer: 12 NADPH

    Explanation: Twelve NADPH molecules are required to reduce twelve 1,3-BPG molecules for one glucose. Six is wrong as it only forms half a glucose.