B9 Respiration
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11 Terms
aerobic respiration
an exothermic reaction in which glucose is broken down using oxygen to produce carbon dioxide and water and release energy for the cells
anaerobic respiration
an exothermic reaction in which glucose is broken down in the absence of oxygen to produce lactic acid in animals and ethanol and carbon dioxide in plants and yeast. A small amount of energy is transferred for the cell
endothermic reaction
a reaction that requires a transfer of energy from the environment
exothermic reaction
a reaction that transfers energy to the environment
glycogen
carbohydrate store in animals
lactic acid
the end product of anaerobic respiration in animal cells
oxygen debt
the extra oxygen that must be taken into the body after exercise has stopped to complete the aerobic respiration of lactic acid
aerobic respiration word equation
glucose + oxygen → carbon dioxide + water (+ energy)
aerobic respiration symbol equation
C6H12O6 + 6O2 → 6CO2 + 6H2O
anaerobic respiration word equation
glucose → lactic acid (+ energy released)
anaerobic respiration in plants word equation
glucose → ethanol + carbon dioxide (+ energy released)