Which step of glycolysis involves substrate-level phosphorylation?

Practice Questions

Q1
Which step of glycolysis involves substrate-level phosphorylation?
  1. Conversion of glucose to glucose-6-phosphate
  2. Conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate
  3. Conversion of phosphoenolpyruvate to pyruvate
  4. Conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate

Questions & Step-by-Step Solutions

Which step of glycolysis involves substrate-level phosphorylation?
  • Step 1: Glycolysis is a process that breaks down glucose to produce energy.
  • Step 2: During glycolysis, there are several steps where energy is produced.
  • Step 3: Substrate-level phosphorylation is a way to produce ATP directly in a metabolic pathway.
  • Step 4: In glycolysis, the specific step that involves substrate-level phosphorylation is when phosphoenolpyruvate (PEP) is converted to pyruvate.
  • Step 5: This conversion releases energy and produces ATP.
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