How the value of R.Q. is affected by the nature of respiratory substra

1.	How the value of R.Q. is affected by the nature of respiratory substrates?
Answer» The value of R.Q. depends upon the nature of the respiratory substrates. The value of R.Q. is variable according to the substrate. The substrates having more oxygen in comparison to carbon, need less oxygen for oxidation and hence their R.Q. is more than 1, whereas those substrates where O₂ is less than carbon, require more O₂ for their oxidation and their R.Q. is less than one. R.Q. of carbohydrates = 1.0 R.Q. of fats = 0.7 (1) R.Q. of proteins = 0.8 (<1) R.Q. organic acids = 1.33 (>1)

How the value of R.Q. is affected by the nature of respiratory substrates?

Answer»

The value of R.Q. depends upon the nature of the respiratory substrates. The value of R.Q. is variable according to the substrate. The substrates having more oxygen in comparison to carbon, need less oxygen for oxidation and hence their R.Q. is more than 1, whereas those substrates where O₂ is less than carbon, require more O₂ for their oxidation and their R.Q. is less than one.

R.Q. of carbohydrates = 1.0

R.Q. of fats = 0.7 (1)

R.Q. of proteins = 0.8 (<1)

R.Q. organic acids = 1.33 (>1)

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How the value of R.Q. is affected by the nature of respiratory substrates?

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