Fermentation Glycolysis Review Glycolysis and Respiration Glycolysis –Creates: ATP, Pyruvate, NADH –Leads to either: 1)Aerobic Respiration  With oxygen.

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Presentation transcript:

Fermentation

Glycolysis Review

Glycolysis and Respiration Glycolysis –Creates: ATP, Pyruvate, NADH –Leads to either: 1)Aerobic Respiration  With oxygen present  Kreb’s (Citric Acid) Cycle  Electron transport chain 2)Anaerobic Respiration  Without oxygen  Fermentation O2 No O 2 glycolysis fermentation

Lactic Acid Fermentation 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 During heavy exercise, the oxygen you inhale mainly goes to your brain. Your muscles are now lacking oxygen. 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.

How to relieve sore muscles How to relieve sore muscles: 1)Massage 2)Bananas/Dates 3)Post stretch 4)Hydrate

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?

Public Service Announcement: Proper Use of Alcohol

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) 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.

Review 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?