The number of substrate level phosphorylations in one turn of citric acid cycle is :

1. Zero

2. One

3. Two

4. Three

Doubtly Asked 30 Oct 2026 NEET UG 2020 Practice test neet Save WhatsApp Report

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Best answer

Answer: 2. One

In one turn of the citric acid cycle, one substrate level phosphorylation occurs: succinyl-CoA to succinate, forming GTP (which gives ATP).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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