MCTs are needed to pump this substance out of the cell.
This substance is the third most concentrated ingredient behind sodium and chloride in Hartmann's and Ringer's solutions, which can be administered through an IV. Stannous octoate catalysts are used to create a polymer of this chemical, which is produced by L. casei and L. brevis. MCTs are needed to pump this substance out of the cell. This substance moves to the liver where it is turned into glucose in the Cori cycle. Its namesake dehydrogenase can form it in the body from pyruvate, and it is used to create ATP when oxygen is unavailable to run the electron transport chain in a form of fermentation. For 10 points, name this substance traditionally viewed to cause acidosis during extreme exercise.
This substance is the third most concentrated ingredient behind sodium and chloride in Hartmann's and Ringer's solutions, which can be administered through an IV.
 lactic acid [or lactate; or 2-hydroxypropanoic acid; or milk acid]