Cellular Respiration What we do with our energy.
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Transcript of Cellular Respiration What we do with our energy.
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Cellular RespirationWhat we do with our energy
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Anaerobic vs. aerobic Uses no oxygen Makes a little energy
Uses oxygen Makes a lot of energy
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Overview Of Cellular Respiration Cellular respiration is the
process that releases energy by breaking down glucose and other molecules in the presence of oxygen. Occurs in the
Mitochondria
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To release energy from food molecules and make ATP!
Why do we need ATP? ATP is the energy molecule needed by our cells Our cells use ATP to make all of the chemical
reactions in our body run.
Purpose of cellular respiration?
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Summary equation for Respiration
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Anaerobic respiration Not enough oxygen for aerobic respiration
Fermentation-releases energy from food molecules by producing ATP in the absence of oxygen. (Anaerobic = no oxygen)
Two types: alcoholic fermentation, lactic acid fermentation
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Lactic acid vs alcoholic No oxygen Occurs in muscles Pyruvates lactate Occurs so muscles can
continue making ATP Get lactate build up in
muscles Causes soreness
No oxygen Pyruvate carbon
dioxide & ethanol Seen in yeast and
fungus Used to make
beverages, food, makes dough rise
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Overall Cellular Respiration breaks down
Glucose (C6H12O6). It produces H2O and CO2 It produces 36 ATPs!
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Comparing Photosynthesis & Cellular Respiration
Photosynthesis Cellular Respiration
Function Energy capture Energy ReleaseLocation Chloroplasts MitochondriaReactants Carbon dioxide and
waterGlucose and oxygen
Products Glucose and oxygen
Carbon dioxide and water
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