Inside of the mitochondrion, during the transition reaction, each pyruvic acid molecule
A) forms a molecule of citric acid.
B) loses a carbon atom.
C) attaches to NAD.
D) directly enters the electron transport system.
E) has a phosphate ion added to it.

Question

Quizplus · Accepted Answer

During the transition reaction, each pyruvic acid molecule loses a carbon atom in the form of CO2, which is released as a waste product. This leads to the formation of acetyl-CoA, which enters the citric acid cycle.

Inside of the Mitochondrion, During the Transition Reaction, Each Pyruvic