Aerobic respiration is with oxygen.
Glucose + oxygen --------> carbon dioxide + water + energy (32 ATP)
C6H12O6 ------> CO2 + H2O + 32 ATP
Releases energy through breakdown of glucose molecules.
Anaerobic respiration is without oxygen.
If insufficient oxygen is reaching the muscles then cells use anaerobic respiration to obtain energy.
It is the incomplete breakdown of glucose + produces lactic acid.
The lactic acide lowers the pH inside/around cells, causing enzymes to denature. Can cause muscle fatigue / cramps. blood flowing through muscle rids lactic acid.
Animals: Glucose ---------> lactic acid + energy (2 ATP)
Plants: Glucose ------------> ethanol + co2 + energy
Less efficient than aerobic. Anaerobic results in an oxygen debt. Has to be repaid to oxidise lactic acid ---> co2 + h2o
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