Krebs Cycle
The Krebs Cycle is the second part of Cellular Respiration, following Glycolysis. However, before the Krebs Cycle can begin, pyruvate generated from Glycolysis is changed into the compound acetyl CoA. The acetyl CoA enters the Krebs Cycle, resulting in a series of reactions. First, pyruvate's carboxyl group is removed, removing one carbon and two oxygen atoms from the molecule and releasing carbon dioxide into the atmosphere. Then the remaining two carbon piece of the compound forms acetate and changing NAD+ into NADH. Once these steps have occurred, the Krebs Cycle begins, oxidizing acetyl CoA throughout the entire process. The Krebs Cycle takes in oxygen and produces carbon dioxide as a result. The entire process requires to complete turns to complete, throughout which four carbon dioxide molecules, six NADH molecules, and 2 FADH2 molecules are produced.
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