What is the first step of the respiratory pathway for other substrates?

What is the first step of the respiratory pathway for other substrates?
  1. Conversion into glucose
  2. Degradation into acetyl CoA
  3. Degradation into glycerol
  4. Entry at a different step than the first step

Solution

Other substrates can also be respired, but they do not enter the respiratory pathway at the first step.

Asked in: NCERT

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