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Chp. 7 b

cellular respiration and fermentaion

QuestionAnswer
fermentation which takes place in the absence of oxygen
redox reaction electrons transfer energy from one molecule to another in a series of chemical reactions
cellular respiration glucose is broken down in a series of steps. bonds broken and formed. releases energy to make ATP
oxygen is essential for ceullular respiration
three main stages for cellular respiration 1. glycolysis 2.citric acid cycle 3. oxidative phosphorylation
two ways to produce atp chemiosmosis and substrate lvl phosphorylation
chemiosmosis takes energy to set up concentration gradient.
ATP synthase is an enzyme that synthesizes ATP using energy from concentration gradient. creates ATP
Step 1 of cellular resp. GLYCOLYSIS breaksdown glucose to create pyruvic acid. then fermentation or aerobic respiration. generates 2 ATP and 2 NADH
Aerobic respiration oxygen is available, continues to citric acid cycle
anaerobic. fermentation pathway no oxygen available, doesnt process the enzyme.
citric acid cycle stage 2 of cellular resp. breaksdown pyruvic acid into CO2.
oxidative phosphorylation metabolic pathway that uses released energy in order to create ATP.
fermentation takes energy from the non oxygen existent enery to produce orgaqinc compounds.
Created by: 1574238891
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