Lactic acid is produced from pyruvic acid during anaerobic metabolism. True or false?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Study for the Anatomy and Physiology Muscular System Test. Prepare with flashcards and multiple choice questions; each question provides hints and explanations. Get ready to excel in your exam!

Multiple Choice

Lactic acid is produced from pyruvic acid during anaerobic metabolism. True or false?

Explanation:
During anaerobic metabolism, cells need to regenerate NAD+ to keep glycolysis going, since oxygen isn’t present to act as the final electron acceptor in the mitochondria. Pyruvate is reduced to lactic acid (lactate) by lactate dehydrogenase, using NADH and producing NAD+. This regeneration of NAD+ allows glycolysis to continue, producing a small amount of ATP without oxygen. This lactic acid formation is observed in exercising muscle and in many microbes, so the statement is true. The idea that this only happens in plants or that the information isn’t specified isn’t accurate, and the false option doesn’t apply here.

During anaerobic metabolism, cells need to regenerate NAD+ to keep glycolysis going, since oxygen isn’t present to act as the final electron acceptor in the mitochondria. Pyruvate is reduced to lactic acid (lactate) by lactate dehydrogenase, using NADH and producing NAD+. This regeneration of NAD+ allows glycolysis to continue, producing a small amount of ATP without oxygen. This lactic acid formation is observed in exercising muscle and in many microbes, so the statement is true. The idea that this only happens in plants or that the information isn’t specified isn’t accurate, and the false option doesn’t apply here.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy