Respiration substrates are (i) the compounds that are oxidized to utilise energy. (ii) the compounds that are reduced to utilise energy. (iii) the compounds that are oxidized to release energy. (iv) the compounds that are reduce to release energy.
- A(i) only
- Bboth (i) and (ii)
- C(iii) only
- DBoth (iii) and (iv)
✓ Correct answer: C
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