Question

why kreb cycle also called TCA

Answer 1

Kreb's cycle also called Tricarboxylic acid cycle because the first product of it is citric acid which is a tricarboxylic acid.

Answer 2

The citric acid cycle (CAC) – also known as the tricarboxylic acid (TCA) cycleor the Krebs cycle –is a series of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins into carbon dioxide and chemical energy in the form of adenosine triphosphate (ATP).