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The respiratory quotient (R.Q.) represents the ratio of carbon dioxide released to oxygen consumed during the process of respiration. For fatty acids, this value is consistently below 1.

1. The respiratory quotient is consistently greater than 1.
2. The respiratory quotient is always equal to 1.
3. The respiratory quotient for fatty acids is consistently below 1.
4. The respiratory quotient does not apply to fatty acids.

Correct answer: The respiratory quotient for fatty acids is consistently below 1.

Solution

The respiratory quotient (R.Q.) for fatty acids is less than 1 because fatty acid oxidation requires more oxygen for complete breakdown compared to the amount of carbon dioxide released.

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