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9. In the conversion of pyruvic acid, the types of reactions that take place are

ID: 195505 • Letter: 9

Question

9. In the conversion of pyruvic acid, the types of reactions that take place are

A) hydrolysis and ATP formation

B) decarboxylation and ATP formation

C) hydrolysis and release of pyruvic acid

D) decarboxylation and electron transfer to form high-energy carriers and acetyl-CoA

E) formation of both acetyl-CoA and ATP

10) Some desert beetles can live out their life without ever drinking liquid water. They survive on "metabolic water," which

A) was produced as water in the organisms they eat and is retained, never to pass out of the cell membrane

B) is absorbed from the air along with respiratory oxygen

C) is formed as a result of oxygen as the final electron acceptor from the electron transport chain in mitochondria

D) is a breakdown product from glycolysis in the cytoplasm

E) was produced by CO2 transformation in reactions that only happen in the desert

Explanation / Answer

D) decarboxylation and electron transfer to form high energy carriers and acetyl co A

C) is formed as a result of oxygen as the final electron acceptor from the electron transport chain in mitochondria