Why Tca Cycle Is Called Tricarboxylic Acid Cycle?

Why Tca Cycle Is Called Tricarboxylic Acid Cycle? Citric acid is a so-called tricarboxylic acid, containing three carboxyl groups (COOH). Hence the Krebs cycle is sometimes referred to as the tricarboxylic acid (TCA) cycle. Why is the TCA cycle called amphibolic? At each turn of the TCA cycle, oxaloacetate is regenerated and can combine with