Answer:
E. All of the above
Step-by-step explanation:
Sources of Hydrogen ions are the acids produced by different metabolic processes, below are some acids produced by all the processes given in the question :
- Anaerobic respiration of glucose produces Lactic acid
- Incomplete oxidation of fatty acids produces acidic ketone bodies
- Oxidation of sulfur-containing amino acids produces sulfuric acid
- Aerobic respiration of glucose produces carbonic acid