Answer to Question #169895 in Biology for Karim

Question

3 protein bars were tested to see which of them had the highest amount of carbohydrates. Bar A has an RQ of .65, Bar B has an RQ of 9, and Bar C has an RQ of 4.5.  

a. Which bar contains more carbohydrate molecules?

b. Explain how you know.

Answer 1

a) Bar B with RQ of 9 contains more carbohydrate.

b) The respiratory quotient (RQ) reflects a basal metabolic rate when estimated from carbon dioxide production. An RQ of >1.0 suggests excessive carbohydrate provision.