Questions: How many ATP are used to initiate glycolysis?
Transcript text: How many ATP are used to initiate glycolysis?
Solution
The answer is the first one: 2.
Explanation for each option:
2: Correct. Glycolysis requires the investment of 2 ATP molecules in the initial steps to phosphorylate glucose and convert it into fructose-1,6-bisphosphate.
4: Incorrect. Only 2 ATP molecules are used in the initial steps of glycolysis.
5: Incorrect. This number is not associated with the ATP investment phase of glycolysis.
8: Incorrect. This is far more than the actual number of ATP molecules used to initiate glycolysis.
Summary:
To initiate glycolysis, 2 ATP molecules are used.