Which of the following biological molecules i | vedclass

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(B) In cellular respiration,carbohydrates,fats,and proteins enter the respiratory pathway at different stages. Carbohydrates are broken down into gluc

Vedclass · Accepted Answer

Acetyl $CoA$

Vedclass · Answer

(B) In cellular respiration,carbohydrates,fats,and proteins enter the respiratory pathway at different stages. Carbohydrates are broken down into glucose,which enters glycolysis to form pyruvic acid,eventually converting into Acetyl $CoA$. Fats are broken down into fatty acids and glycerol; fatty acids are converted into Acetyl $CoA$ through $\beta$-oxidation. Proteins are broken down into amino acids,which are deaminated and enter the respiratory pathway as pyruvate,Acetyl $CoA$,or intermediates of the Krebs cycle. Acetyl $CoA$ acts as a common metabolic intermediate for the entry of all three major respiratory substrates into the Krebs cycle.

Which of the following biological molecules is common in the respiratory breakdown of fats,carbohydrates,and proteins?

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