Question

multiple choice question
by which process is pyruvic acid converted to acetic acid during the aerobic phase of cellular respiration?
o loss of lactic acid and co₂
o loss of one co₂ and one o₂
o loss of one co₂ and two hydrogen atoms
o loss of one o₂ and two hydrogen atoms
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Explanation:

During the aerobic phase of cellular respiration, pyruvic acid is converted to acetic - acid (acetyl - CoA) through a process called pyruvate decarboxylation. In this process, one carbon atom from pyruvic acid is released as carbon dioxide ($CO_2$) and two hydrogen atoms are transferred to NAD+ to form NADH.

Answer:

Loss of one $CO_2$ and two hydrogen atoms