Podcast
Questions and Answers
What is the Respiratory Quotient (RQ) for carbohydrates?
What is the RQ value for aerobic respiration using fats?
What happens to the RQ value during anaerobic respiration?
For proteins, what is the approximate RQ value derived from the given formula?
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What does a variable RQ indicate about organic acids?
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Study Notes
Respiratory Quotient (RQ)
- RQ is calculated as: RQ = Volume of CO2 evolved / Volume of O2 consumed
- CO2 - Produced
- O2 - Consumed
Carbohydrate Respiration
- C6H12O6 + 6O2 → 6CO2 + 6H2O
- RQ = 6CO2 / 6O2 = 1
Anaerobic Respiration
- C6H12O6 + ZERO → 2C2H5OH + 2CO2
- RQ = 2CO2 / ZERO = α
Fats
- Fats (Tripalmitin) → C55H110O6 + 78O2 → 102 CO2 + 98H2O
- RQ = 102/78 ≈ 1.3
Proteins (Albumin)
- C72H112N18O22S + 77O2 → 63CO2 + 77H2O + 67H2O
- RQ = 63/77 ≈ 0.82
Organic Acids
- CnH2nO2 + O2 → nCO2 + nH2O
- RQ = n/n = 1
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Description
This quiz covers the concept of Respiratory Quotient (RQ) and its application to different types of respiration including carbohydrate, anaerobic, fats, proteins, and organic acids. Test your knowledge on how RQ values differ across these metabolic processes.
