This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
Pyruvate dehydrogenase enzyme complex contains the following cofactors except 
Select and explain. 
A. Thiamine pyrophosphate, B. Coenzyme A, C. Flavin adenine dinucleotide (FAD), D. Nicotinamide adenine dinucleotide phosphate NADP
D: Nicotinamide adenine dinucleotide phosphate NADP
Answer: D: Nicotinamide adenine dinucleotide phosphate NADP 
Explanation: Glycolysis; is oxidatively decarboxylated to acetyl CoA by pyruvate dehydrogenase(PDH). is a multienzyme complex with 5 co-enzymes and 3 apoenzymes. Coenzymes; -thiamine pyrophosphate -Coenzyme A -FAD -NAD+ -Lipoamide.Ref: DM Vasudevan, 7th edition, page no: 115