NEET Questions Solved

NEET - 2016

Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins?

(a) Glucose -6-phosphate

(b) Fructose 1,6-bisphosphate

(c) Pyruvic acid

(d) Acetyl Co-A

(d) Carbohydrates, fats and proteins all can be used as a substrate in cellular respiration. All of them first get converted to acetyl Co-A to enter into Kreb's cycle of aerobic cellular respiration. Thus, it is the common factor of respiration entering Kreb's cycle after breakdown of carbohydrates, fats and proteins

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