Q. Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?

A) Glucose-6-phosphate
B) Fructose, 6-bisphosphate
C) Pyruvic acid
D) Acetyl Co-A
Explanation

Pyruvic acid is intermediate compound, which is produced during oxidation of all types of respiratory substrates carbohydrates, fats and proteins [image:14_image6.emf] Option (d) Acetyl Co-A may also be answer but more appropriate is pyruvic acid as it formed directly by all these respiratory substrates

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.