Respiratory quotient (R.Q.) is defined as the ratio of a volume of CO 2 evolved to the volume of O 2 taken in during the respiration process. Value of R.Q. depends on the nature of respiratory substra

Question

Respiratory quotient (R.Q.) is defined as the ratio of a volume of CO 2 evolved to the volume of O 2 taken in during the respiration process. Value of R.Q. depends on the nature of respiratory substrate and to the extent to which this substance is broken down into simpler products. Which of the following situation will give us the R.Q. value as infinity when alcohol is produced?

TestHub · Accepted Answer

Respiratory quotient, i.e. R.Q., is a respiratory ratio of the volume of CO 2 liberated to the volume of O 2 absorbed during respiration. During anaerobic respiration, (when alcohol is produced) the value of R.Q. is infinity because it takes place without oxygen but CO 2 is released. (where carbohydrate substrate used under anaerobic conditions.)

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