<P> Pyruvic acid supplies energy to cells through the citric acid cycle ( also known as the Krebs cycle ) when oxygen is present ( aerobic respiration ) , and alternatively ferments to produce lactate when oxygen is lacking ( fermentation ) . </P>
<P> Pyruvic acid supplies energy to cells through the citric acid cycle ( also known as the Krebs cycle ) when oxygen is present ( aerobic respiration ) , and alternatively ferments to produce lactate when oxygen is lacking ( fermentation ) . </P>
in the absence of oxygen muscle cells may convert pyruvic acid into what compound
in the absence of oxygen muscle cells may convert pyruvic acid into what compound
lactate
lactate