Under what metabolic conditions is pyruvate converted to acetyl coa

All together for pyruvate, the result of glycolysis, to enter the following pathway, it must experience a few changes to end up acetyl Coenzyme A (acetyl CoA). Acetyl CoA is a particle that is additionally changed over to oxaloacetate, which enters the citrus extract cycle. 

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the