Cellular Respiration. Chemical Energy and Food. Food is the energy source for cells. The energy in food is measured in calories. A calorie is the amount of energy needed to raise the temperature of 1 gram of water 1 degree Celsius. There are 3811 calories in one gram of sugar glucose.
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2 Pyruvic acid
To the electron transport chain
Alcohol or lactic acid
Fermentation (without oxygen)
Cellular Respiration Chemical Equation
Electrons carried in NADH
Electrons carried in NADH and FADH2
Electron Transport Chain
Citric Acid Production
Hydrogen Ion Movement