What is transported to the mitochondria to serve as a starting point for the Krebs cycle?
Pyruvate formed from the gylcolysis of glucose is actively transported into the matrix of the mitochondrian. Here it enters another stage know as the link reaction, whereby it is decarboxylated and dehydrogenated into a 2 carbon compound which binds with an enzyme known as Coenzyme A(CoA). This forms Acetyl Coenzyme A which is then used as the starting point in the krebs cycle where it will join with a 4 carbon oxalacetate to from 6 carbon citrate.
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