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What are respiratory substrates ? Name the most common respiratory substrate.
Answer
Respiratory substrates : These are substances which are oxidised during the process of respiration. They are oxideised and energy is produced along with CO2 and H2O

C6H12O6+ 6O2→ 6CO2 + 6H2O+ 684 K. cal.

Most common respiratory substrate is glucose, because it gets easily oxidised.