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MHT CET Medical202624 April 2026Morning ShiftBiologyRespiration in PlantsActual

Total number of ATP molecules utilised in one glycolytic pathway is _________.

Options

  1. A2
  2. B4
  3. C6
  4. D8

Correct answer

A. 2

Step-by-step solution

Glycolysis is the metabolic pathway that converts glucose into pyruvate. During the energy investment phase of glycolysis, ATP is consumed in two specific reactions: 1. Phosphorylation of glucose to glucose-6-phosphate, catalyzed by the enzyme hexokinase, utilizes 1 ATP molecule. 2. Phosphorylation of fructose-6-phosphate to fructose-1,6-bisphosphate, catalyzed by the enzyme phosphofructokinase, utilizes 1 ATP molecule. Therefore, a total of 2 ATP molecules are utilized in one glycolytic pathway. Answer: 2

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