NTA Abhyas NEET2020BotanyRespiration in PlantsPractice
How many TCA cycles are required during the complete oxidation of one maltose molecule?
Options
- A4
- B2
- C1
- D3
Correct answer
A. 4
Step-by-step solution
Maltose is a disaccharide made up of two alpha glucose units joined by glycosidic bond. One glucose molecule produces 2 pyruvate which undergoes two round of TCA cycle to get completely oxidised. Hence Two glucose molecules will require four rounds of TCA cycle.