Q.1 – Which of the following is a common compound shared by the TCA (Tricarboxylic Acid) cycle and the Urea cycle? A. α-Ketoglutarate B. Succinyl-CoA C. Oxaloacetate D. Fumarate E. Citrate Correct Answer: D. Fumarate Explanation: Fumarate is a key intermediate shared between the TCA and Urea cycles. In the Urea cycle, fumarate is produced […]
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Q.1 – A 12-year-old boy develops convulsions. After an Electroencephalogram (EEG), a neurologist determines that the child has epilepsy. He is started on benzodiazepine, which promotes the activity of GABA. GABA is derived from Glutamate by which of the following reactions?A) DeaminationB) DecarboxylationC) DehydrogenationD) HydroxylationE) TransaminationAnswer: B) DecarboxylationExplanation: GABA (gamma-aminobutyric acid) is synthesized from glutamate
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Test your understanding of amino acid metabolism with this high-yield multiple-choice question set designed for medical and health science students. Covering key pathways, clinical correlations, and enzyme functions, this Amino Acid MCQ Set 1 is perfect for USMLE, board exams, and biochemistry reviews. Each question includes a detailed explanation to support deep learning and exam readiness.
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Q.1- Which of the following is a common compound shared by the TCA and Urea cycles? a) α- Ketoglutarate b) Succinyl CoA c) Oxaloacetate d) Fumarate Q.2-Which of the following is a common nitrogen acceptor for all reactions involving transaminases? a) α- Ketoglutarate b) Pyruvate c) Oxaloacetate d) Acetoacetate Q.3- In a 55- year-old man
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Q.1- A 12 -year-old boy develops convulsions. After running an Electroencephalogram(EEG), a neurologist determines that the child has epilepsy. He is started on benzodiazepine, which promotes the activity of GABA. GABA is derived from Glutamate by which of the following reactions? a) Transamination b) Decarboxylation c) Deamination d) Hydroxylation e) Dehydrogenation Q.2- A couple of
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