How many ATP are produced in the Krebs cycle?
Understand the Problem
The question is asking about the total number of ATP molecules produced during the Krebs cycle, which is a key metabolic pathway in cellular respiration. To answer this, we will consider the number of ATP generated directly during the cycle along with the equivalents produced through linked processes, such as NADH and FADH2 generation.
Answer
2 ATP molecules are produced.
The final answer is 2 ATP molecules are produced in the Krebs cycle per glucose molecule.
Answer for screen readers
The final answer is 2 ATP molecules are produced in the Krebs cycle per glucose molecule.
More Information
The Krebs cycle generates ATP through substrate-level phosphorylation, producing 2 ATP molecules per glucose molecule, which translates to 1 ATP per cycle turn.
Tips
A common mistake is confusing the total ATP yield from the entire cellular respiration process with the specific ATP yield from the Krebs cycle alone. Remember that the Krebs cycle itself produces only 2 ATP.
Sources
- How many ATP molecules are produced in the Krebs cycle? - Byju's - byjus.com
- Krebs Cycle - Biology LibreTexts - bio.libretexts.org
- How many ATPs are formed per glucose molecule in Krebs cycle - Toppr - toppr.com
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