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Chapter 9

9.5

QuestionAnswer
What does fermentation and anaerobic respiration do? It enables cells to produce ATP w/o oxygen
Can the ETC chain operate without oxygen? NO
What does glycolysis work with to produce ATP when there is no oxygen? Anaerobic respiration or fermentation
What final electron acceptor does anaerobic respiration use? Something besides O2, like sulfate
What does fermentation use instead of ETC? It uses substrate-level phosphorylation
What are 2 types of fermentation? 1. Alcohol 2. Lactic acid
2 Steps of alcohol fermentation: 1. Release CO2 2. Pyruvate> ethanol
What is alcohol fermentation most commonly used by? Yeast
Is yeast an obligate anaerobe? No it is facultative.
What do proteins need to be digested to in catabolism? Which cycles can they feed? amino acids. glycolysis or citric acid
What are fats digested to for glycolysis? What about for generating acetyl CoA? glycerol. fatty acids
What breaks down fatty acids? beta oxidation
how much more ATP does an oxidized g of fat produce over an oxidized g of carb? 2x as much
What happens in biosynthesis? The body uses small molecules to build up other substances.
Where does biosynthesis come from? food, glycolysis, or citric acid cycle
What is common for metabolic control? feedback inhibition
If ATP concentration drops, what happens to respiration? It speeds up
Created by: akierah.w
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