What is the significance of Kreb's cycle ?

Explanation

(i) TCA cycle is to provide energy in the form of ATP for metabolism in plants.
(ii) It provides carbon skeleton or raw meterial for various anabolic processes.
(iii) Many intermediates of TCA cycle are further metabolised to produce amino acids, proteins and nucleic acids.
(iv) Succinyl CoA is raw material for formation of chlorophylls, cytochrome, phytochrome and other pyrrole substances.
(v)`alpha `-ketoglutarate and produce amino acide.
(vi) It acts as metabolic sink which plays a central role in intermediary metabolism.