Give a schematic representation of metabolic reactions in Krebs cycle? Explain its significance?

Schematic Representation of Metabolic Reactions in Krebs Cycle

The Krebs cycle, also known as the Citric Acid Cycle (CAC) or Tricarboxylic Acid (TCA) Cycle, is a central metabolic pathway occurring in the mitochondrial matrix. It plays a crucial role in cellular respiration by oxidizing acetyl-CoA into carbon dioxide (CO₂) while generating high-energy electron carriers (NADH and FADH₂) and ATP. The cycle consists of a series of enzymatic reactions, which can be schematically represented as follows:

Schematic Diagram of the Krebs Cycle

1. Acetyl-CoA (2C) + Oxaloacetate (4C) → Citrate (6C)

   • Enzyme: Citrate Synthase
   • Acetyl-CoA combines with oxaloacetate to form citrate.
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