Question

Which metabolite is common in respiration mediated breakdown of fats, carbohydrates and the protein?
A.Acetyl coA
B.Glucose-6 phosphate
C.Fructose 1,6 – bisphosphate
D.Pyruvic acid

Answer 1

Hint: The breakdown of the fats, carbohydrates and the proteins in the presence of oxygen (respiratory gas) into the simple form to get the energy in the form which is suitable for the body that is ATP.

Complete step by step answer:
1 :- Glycolysis is defined as the process of breakdown of carbohydrates into the simpler form; this breakdown is known as Glycolysis .
2 :- Gluconeogenesis is defined as the process of breakdown of the protein into the simple compounds known as gluconeogenesis.
3 :- Fat molecules are also converted into the simple fatty acids by breakdown.
4 :- The process of respiratory breakdown of fats carbohydrates and the protein to get the energy is commonly known as citric acid cycle and also known as kreb cycle and also TCA cycle.
5 :- Citric acid cycle is defined as the series of the chemical reaction to convert the stored energy into useful form in the presence of oxygen from the substrate acetyl coA which is obtained from the breakdown of carbohydrates, fats and protein.
6 :- firstly all these three are converted into the acetyl coA and then they undergo different chemical reactions to get converted into ATP.
7 :- Energy is released in the form of ATP and NADPH after that NADPH gets converted into the ATP.
8 :- From the above discussion we can say that the common metabolite of carbohydrates and fats and protein is acetyl coA.

Option A is correct.
Note:
ATP stands for adenosine triphosphate when each phosphate gets removed from the complex energy is released.