Basic objective of this lecture is to Presentation on Kreb’s Cycle. This presentation focus to discuss on Makes ATP, Makes NADH and Makes FADH2. Here also analysis Requires some carbohydrate to run and Watch for reaction coupling. This lecture also focus on Glycolysis in the cytosol and Krebs in mitochondrial matrix. Finally analysis on Aconitase Reaction, Isocitrate Dehydrogenase, Succinate dehydrogenase and Succinyl CoA synthetase. All these are include in Kreb’s Cycle, all process are explain with examples.