Question

Point out the significance of Kreb’s Cycle.

Answer 1

Significance of Krebs cycle:

1. TCA cycle is to provide energy in the form of ATP for metabolism in plants.
2. It provides carbon skeleton or raw material for various anabolic processes.
3. Many intermediates of the TCA cycle are further metabolized to produce amino acids, proteins, and nucleic acids.
4. Succinyl CoA is the raw material for the formation of chlorophylls, cytochrome, phytochrome, and other pyrrole substances.
5. α-ketoglutarate and oxaloacetate undergo reductive animation and produce amino acids.
6. It acts as a metabolic sink which plays a central role in intermediary metabolism.