Warm-upWarm-up

Explain the process of cellular respiration in your own words.

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Overall Equation for Overall Equation for Cellular RespirationCellular Respiration

6CO6CO22 + 6H + 6H220 + e0 + e-- + 36- + 36-

3838ATP’sATP’s

CC66HH1212OO6 6 + 6O+ 6O22

YIELDSYIELDS

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What are the Stages of What are the Stages of Cellular Respiration?Cellular Respiration?

GlycolysisGlycolysisThe Krebs CycleThe Krebs CycleThe Electron Transport ChainThe Electron Transport Chain

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Diagram of the Diagram of the ProcessProcess

Occurs in

Cytoplasm Occurs

in Matrix

Occurs across Cristae

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Glycolysis Step 1Glycolysis Step 1

Takes place in the Takes place in the CytoplasmCytoplasm

Anaerobic Anaerobic (Doesn’t Use (Doesn’t Use Oxygen)Oxygen)Requires input of Requires input of 2 ATP2 ATP

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FermentationFermentation

Occurs when OOccurs when O22 NOT present NOT present (anaerobic)(anaerobic)

Called Called Lactic AcidLactic Acid fermentation in muscle cells fermentation in muscle cells (makes (makes muscles tiredmuscles tired))

Called Called Alcoholic fermentationAlcoholic fermentation in yeast (produces in yeast (produces ethanolethanol))

Nets only Nets only 2 ATP2 ATPCopyright Cmassengale

Krebs Cycle Step 2Krebs Cycle Step 2Requires Oxygen (Aerobic)Requires Oxygen (Aerobic)Cyclical series of oxidation Cyclical series of oxidation

reactions that give off reactions that give off COCO22 and and produce produce one ATP per cycleone ATP per cycle

Turns Turns twicetwice per glucose molecule per glucose moleculeProduces Produces two ATPtwo ATP Takes place in Takes place in matrix of matrix of

mitochondriamitochondria

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Electron Transport Chain Electron Transport Chain Step 3Step 3

34 ATP34 ATP Produced ProducedHH22OO Produced ProducedOccurs Across Occurs Across Inner Inner

Mitochondrial membraneMitochondrial membrane

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