MHT CET · BIOLOGY · STD 11 - 13. Respiration and Energy Transfer
In glycolysis, the two ATP molecules are consumed during ____.
- A Step 1 and 2
- B Step 1 and 4
- C Step 1 and 3
- D Step 1 and 5
Answer & Solution
Correct Answer
(C) Step 1 and 3
Step-by-step Solution
Detailed explanation
Step 1: A glucose molecule is phosphorylated to glucose 6-phosphate in presence of enzyme hexokinase and co-factor \(Mg ^{++}\). In this reaction, ATP supplies the phosphate and gets converted into ADP. Step 3: Fructose-6-phosphate is phosphorylated to fructose-1,6-diphosphate and ADP. Phosphate is supplied by ATP which gets converted to ADP.
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