All of a muscle cell's lactate is synthesized
A)in Krebs cycle reactions
B)from acetyl CoA
C)directly from glucose
D)from pyruvate
E)in chemiosmosis

Question

Quizplus · Accepted Answer

Lactate is synthesized from pyruvate through the process of lactic acid fermentation in muscle cells. This occurs when there is not enough oxygen present to continue aerobic respiration in the mitochondria. Pyruvate is converted to lactate by the enzyme lactate dehydrogenase.

All of a Muscle Cell's Lactate Is Synthesized