Podcast
Questions and Answers
What is the relationship between glycolysis and fermentation?
What is the relationship between glycolysis and fermentation?
Glycolysis leads to fermentation if no oxygen is available. NAD+ produced by fermentation allows glycolysis to continue.
Summarize the process of alcoholic fermentation in yeast.
Summarize the process of alcoholic fermentation in yeast.
Sugars are broken down by glycolysis. Pyruvate and NADH enter alcoholic fermentation, producing alcohol and carbon dioxide. NAD+ is recycled back to glycolysis.
How are lactic acid fermentation and alcoholic fermentation similar? How are they different?
How are lactic acid fermentation and alcoholic fermentation similar? How are they different?
Both are anaerobic processes that break down glucose to make ATP and recycle NAD+ to glycolysis. Lactic acid fermentation produces lactic acid, while alcoholic fermentation produces alcohol and carbon dioxide.
Describe the similarities and differences between cellular respiration and fermentation.
Describe the similarities and differences between cellular respiration and fermentation.
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Study Notes
Glycolysis and Fermentation
- Glycolysis occurs first and if oxygen is not present, proceeds to fermentation.
- Fermentation regenerates NAD+, enabling continuous glycolysis.
Alcoholic Fermentation in Yeast
- Sugars undergo glycolysis, producing pyruvate and NADH.
- Pyruvate and NADH enter alcoholic fermentation, creating alcohol and carbon dioxide.
- NAD+ is regenerated during the process, allowing glycolysis to persist.
Similarities and Differences of Fermentation Types
- Both lactic acid and alcoholic fermentation are anaerobic processes that convert glucose to ATP and recycle NAD+.
- Lactic acid fermentation results in lactic acid, while alcoholic fermentation yields alcohol and carbon dioxide.
Cellular Respiration vs. Fermentation
- Both processes generate ATP by breaking down carbon-based molecules and recycle electron acceptors to sustain glycolysis.
- Cellular respiration requires oxygen and generates significantly more ATP than fermentation.
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Description
These flashcards cover key concepts of glycolysis and fermentation, important topics in cellular respiration. Learn how glycolysis is related to fermentation and summarize the process of alcoholic fermentation in yeast. Perfect for biology students needing to reinforce their understanding.
