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Questions and Answers
Name the two main types of fermentation.
Name the two main types of fermentation.
Alcoholic Fermentation and Lactic Acid Fermentation.
How are alcoholic fermentation and lactic acid fermentation similar? How are they different?
How are alcoholic fermentation and lactic acid fermentation similar? How are they different?
They are similar because they both need pyruvic acid and NADH to form, and they generate NAD+ for glycolysis. They differ because lactic acid fermentation does not give off carbon dioxide.
Why do runners breathe heavily after a sprint race?
Why do runners breathe heavily after a sprint race?
The only way to get rid of lactic acid is in a chemical pathway that requires extra oxygen.
List the body's sources of energy in the order in which they are used during a long distance race.
List the body's sources of energy in the order in which they are used during a long distance race.
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Study Notes
Types of Fermentation
- Two main types: Alcoholic Fermentation and Lactic Acid Fermentation.
Similarities and Differences
- Both require pyruvic acid and NADH for their processes.
- Both generate NAD+ allowing glycolysis to continue.
- Alcoholic Fermentation releases carbon dioxide, whereas Lactic Acid Fermentation does not.
Lactic Acid and Breathing
- Runners breathe heavily post-sprint to eliminate lactic acid through a chemical pathway that needs extra oxygen.
Energy Sources in Long Distance Racing
- Cellular respiration is slower in energy release compared to Fermentation.
- The body first uses muscle-stored glycogen for energy.
- After glycogen is depleted, the body breaks down stored fats for energy.
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