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Fermentation - PowerPoint PPT Presentation


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Fermentation. Glycolysis Review. Glycolysis and Respiration. glycolysis. Glycolysis Creates: ATP, Pyruvate, NADH Leads to either: Aerobic Respiration With oxygen present Kreb’s (Citric Acid) Cycle Electron transport chain Anaerobic Respiration Without oxygen Fermentation.

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Fermentation


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    Presentation Transcript
    1. Fermentation

    2. Glycolysis Review

    3. Glycolysis and Respiration glycolysis • Glycolysis • Creates: ATP, Pyruvate, NADH • Leads to either: • Aerobic Respiration • With oxygen present • Kreb’s (Citric Acid) Cycle • Electron transport chain • Anaerobic Respiration • Without oxygen • Fermentation fermentation No O2 O2

    4. Lactic Acid Fermentation During heavy exercise, the oxygen you inhale mainly goes to your brain. Your muscles are now lacking oxygen. • Glycolysis • Glucose (6C) broken down into two pyruvates (3C) • 4ATP + NADH created • L.A.F. Step 1: Happens when muscles do not receive oxygen • NADH breaks down pyruvates into lactic acid (causes burn) • Lactic acid breaks down upon oxygen returning • L.A.F Step 2: NAD returns to glycolysis • Glycolysis can break down another glucose to create 4 ATP But your muscles need ATP if you want to continue your exercise. There must be a way to make ATP without the help of oxygen.

    5. How to relieve sore muscles • How to relieve sore muscles: • Massage • Bananas • Post stretch • Hydrate

    6. Alcoholic Fermentation • Glycolysis • Glucose (6C) broken down into two pyruvates (3C) • 4ATP + NADH created • A.F. Step 1: Happens in yeasts & some plants • NADH breaks down pyruvates into ethanol and CO2 • A. F. Step 2: NAD returns to glycolysis • Glycolysis can break down another glucose to create 4 ATP CO2 from yeast causes bread to rise. So why is bread nonalcoholic?

    7. Kobe Public Service Announcement: Proper Use of Alcohol

    8. Maple Center Counseling Program • The Safe Ride Program is a confidential service to Beverly Hills students. If a teenager feels he/she cannot drive safely, he/she can call (888) 654-3211 for a free ride home. This service is available every Friday and Saturday night from 10:00pm to 2:00am and on Prom Night and New Year’s Eve from 10:00pm to 6:00am.

    9. Kobe Kuiz • What does the word aerobic imply? Anaerobic? • How many ATP molecules are created by either type of fermentation? • Before fermentation, which process must first take place? • What is produced during glycolysis? • Which molecule from glycolysis is used to break apart pyruvate during fermentation? • Besides alcohol, what is a waste product of alcoholic fermentation? • Where can you find the phone number to the Maple Counseling Center and Safe Ride?