<prompt> Transamination of aspaate leads directly to --- of the citric acid cycleCitrateOxaloacetatea-ketoglutarateFumarate  <response>: Transamination of aspaate leads directly to the formation of oxaloacetate, and a variety of compounds that are metabolized to yield propionyl CoA, which can be carboxylated and isomerized to succinyl CoA are also impoant anaplerotic substrates.Ref: Harper;s Biochemistry; 30th edition; Chapter 16; The Citric Acid Cycle: The Central Pathway of Carbohydrate, Lipid Amino Acid Metabolism 