USMLE styled question bank

Genetic Mutation Question Bank: Case-Based MCQs with Explanations

1. Which DNA repair mechanism primarily corrects replication errors such as base mispairing? A. Base excision repair B. Homologous recombination C. Mismatch repair D. Nucleotide excision repair E. Direct repair Correct Answer: C) Mismatch repair Detailed Explanation: Mismatch repair (MMR) is the primary DNA repair mechanism that corrects errors introduced during DNA replication, particularly base-base

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Genetic Code and Translation: Deciphering the Blueprint of Life

1. The following are all characteristics of the genetic code except: a) Universalb) Degeneratec) Non-overlappingd) Ambiguous Correct Answer: d) Ambiguous Explanation: The genetic code has several key characteristics: Universal → The same codons specify the same amino acids across nearly all organisms, with few exceptions (e.g., mitochondrial genomes). Degenerate → Multiple codons can code for

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Understanding DNA Repair: 15 High-Yield Case-Based Questions

Test your knowledge of DNA damage and repair with 15 case-based multiple-choice questions (MCQs). This post covers essential repair mechanisms, including homologous recombination, base excision repair, mismatch repair, and nucleotide excision repair, with clinical applications in genomic instability, cancer biology, and radiation sensitivity. A must-read for medical students, geneticists, and oncology researchers!

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25 Case-Based MCQs on Cytoskeleton: Test Your Medical Knowledge!

Ever wondered how the cytoskeleton supports cellular structure and movement? 🧬 Dive into 25 case-based multiple-choice questions that challenge your understanding of microtubules, actin filaments, intermediate filaments, and cytoskeletal disorders. Ideal for medical students, USMLE prep, and cell biology learners. Let’s test your knowledge!

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Case-Based MCQs on RNA Structure and Function: Test Your Knowledge

Case 1: RNA Virus Mutation A researcher is studying a new RNA virus. Unlike DNA viruses, RNA viruses mutate more rapidly. The researcher finds that this rapid mutation is linked to the virus’s single-stranded RNA structure. Question 1: Why does the single-stranded nature of RNA contribute to the high mutation rate in RNA viruses? A)

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Case-Based Multiple-Choice Questions on DNA Structure and Organization

Understanding DNA structure and organization is crucial in molecular biology and medicine. This guide covers key concepts like nucleosome assembly, euchromatin vs. heterochromatin, histone modifications, and DNA packaging, with exam-style case-based questions to enhance learning.

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20 High-Yield Case-Based MCQs on Trace Elements: Clinical Scenarios & Explanations

Explore 20 high-yield multiple-choice questions on trace elements, covering essential minerals like calcium, iron, zinc, selenium, and copper. Each case-based question is designed to enhance understanding of clinical presentations, metabolic disorders, and diagnostic approaches. Perfect for medical students, healthcare professionals, and exam preparation!

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USMLE-Style MCQs on Fat-Soluble Vitamins | High-Yield Practice Questions

Get high-yield USMLE-style MCQs on fat-soluble vitamins (A, D, E, K) with detailed explanations! Test your knowledge on vitamin deficiencies, toxicities, and clinical applications with realistic board exam questions. Perfect for USMLE Step 1 & Step 2 CK preparation.

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Water-Soluble Vitamins: Clinical MCQs with Explanations & Illustrations

Test your knowledge of biochemistry and clinical medicine with these high-yield, NBME-style multiple-choice questions on water-soluble vitamins. Each question is case-based to enhance clinical reasoning and exam preparedness.

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