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This shift in metabolism is referred to as the anaerobic threshold, or the lactic acid threshold.

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Q: What is the shift in metabolism that breaks down pyruvic acid to lactic acid called?
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What substance is not produced in a muscle cell under anaerobic conditions?

Lactic acid (also called lactate).The product of glycolysis in the cytoplasm is pyruvic acid (= pyruvate). If there is not enough oxygen for the mitochondria to oxidize the pyruvic acid, the enzyme lactic acid (or lactate) dehydrogenase, which is in the cytoplasm, reduces the pyruvic acid to lactic acid.


What is the empirical formula of lactic acid?

C6H12O6 --> 2C3H6O3+2ATP Sugar (glucose) → Lactic Acid + Carbon Dioxide + Energy (ATP) or Pyruvic acid + NADH → Lactic acid + NAD+


Does the Krebs cycle start with pyruvic acid and yield lactic acid or alcohol?

lactic acid


What is more reduced lactic or pyruvic acid?

Pyruvic acid is more reduced than lactic acid. This is because yruvic acid contains carboxylic acid and a ketone to oxaloacetate.


Pyruvic acid can be further reduced without the presence of oxygen in a process called .?

fermentation


What does the conversion of lactic acid to pyruvic acid require?

NADH


What is pyruvic acid converted to when there is a inadequate oxygen?

Lactic Acid.


Which type of fermentation is Glucose -- pyruvic acid -- lactic acid plus 2 ATP?

Lactic Acid fermentation :)


When oxygen is scarce cellular pyruvic acid will be converted to?

lactic acid


Lactic acid is produced as a result of the chemical reduction of?

pyruvic acid


What is the by-product of lactic acid fermentation?

Lactic acid fermentation produces lactic acid, carbon dioxide, and ATP.


What happens to pyruvic acid after there is no oxygen?

If oxygen is present it is converted to Acetyl-CoA and enters citric acid cycle If oxygen is not present is will become lactic acid and /or ethanol