# 10. Define RQ. What is its value for fats?

The respiratory quotient is defined as the ratio of the volume of  $CO_{2}$ evolved to the volume of $O_{2}$ consumed during respiration. The value of respiratory quotient depends on the type of respiratory substrate. The value of RQ for various respiratory substrates is as follows:

Carbohydrates- 1

Fat - 0.7

Organic acids- more than 1

Proteins - less than 1

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