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Question
- what is the name for the anaerobic process by which cells ensure that place repeatedly to make as much atp as possible?
- in glycolysis, glucose is split to make 2 molecules.
- which phase of cellular respiration is also known as the citric acid cycle?
Question 2
The anaerobic process where cells repeat a pathway to make more ATP is fermentation. Fermentation (like lactic acid fermentation or alcoholic fermentation) occurs when oxygen is not present, and it allows glycolysis to continue (by regenerating NAD⁺) so that ATP production from glycolysis can repeat.
In glycolysis, one molecule of glucose (a 6 - carbon sugar) is split into two molecules of pyruvate (or pyruvic acid). This is a key step in the process, where glucose is broken down to produce energy - related molecules and pyruvate.
The citric acid cycle is also known as the Krebs cycle. The Krebs cycle is the second major stage of cellular respiration (after glycolysis) and it occurs in the mitochondria. It uses the pyruvate (modified to acetyl - CoA) from glycolysis and further breaks it down to produce electron carriers (NADH, FADH₂) and some ATP, while also releasing carbon dioxide.
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Fermentation