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What is NAD acts as a cofactor for and explain in detail?
In the TCA cycle,Step 3. In the third step, isocitrate is oxidized and releases a molecule of carbon dioxide, leaving behind a five-carbon molecule--a-ketoglutarate. During this step, \text{NAD}^+NAD + N, A, D, sta superscript, plus, end superscript is reduced to form \text{NADH}NADHN, A, D, H. The enzyme catalyzing this step, isocitrate dehydrogenase, is impoant in regulating the speed of the citric acid cycle.Ref: DM Vasudevan, 6th edition, page no: 218