Skip to content

Theoretical B

Start Timed Attempt → 🏆 Leaderboard

Theoretical B Exam Official Answer Key & Worked Solutions
Q51 Phage-Display Screen for Protein Kinase Inhibitors Recombinant DNA & Biotechnology Techniques IBO·2016·Q51 — ptsPDF
Q52 Telomere Shortening in Fission-Yeast Telomerase Mutants DNA Structure & Replication IBO·2016·Q52 — ptsPDF
Q53 Mitochondrial Membrane Potential in Hypoxia/Reoxygenation Injury Cardiovascular Physiology IBO·2016·Q53 — ptsPDF
Q54 Structure-Activity Relationships of Antifreeze Glycoproteins Carbohydrate Chemistry & Biology IBO·2016·Q54 — ptsPDF
Q55 Filming Rotary Catalysis in F1-ATPase Bioenergetics & Central Metabolism Overview IBO·2016·Q55 — ptsPDF
Q56 Microbial Succession During Cabbage Lactic Fermentation Bioenergetics & Central Metabolism Overview IBO·2016·Q56 — ptsPDF
Q57 Protein Adaptations of Halophilic Archaea to High Intracellular Salt Protein Structure, Folding & Function IBO·2016·Q57 — ptsPDF
Q58 Genome Segmentation and Subtype Diversity in Influenza A Molecular Evolution & Neutral Theory IBO·2016·Q58 — ptsPDF
Q59 Mapping p35 Phosphorylation Sites with a Phospho-Tag Gel Cell Signaling & Communication IBO·2016·Q59 — ptsPDF
Q60 pH-Dependent Membrane Diffusion of Aspirin and Arginine Plasma Membrane Structure & Transport IBO·2016·Q60 — ptsPDF
Q61 Cadmium's Effect on Maize Root Elongation and Endodermal Suberization Root Anatomy IBO·2016·Q61 — ptsPDF
Q62 Habitat-Linked Hydraulic Vulnerability in Ranunculus Species Water Transport & Transpiration IBO·2016·Q62 — ptsPDF
Q63 GPI-Anchoring Deficiency and Growth Phenotypes in an Arabidopsis atgpi8 Mutant Plasma Membrane Structure & Transport IBO·2016·Q63 — ptsPDF
Q64 Diurnal Light and CO2 Co-Limitation of Underwater Photosynthesis Light Reactions & Photophosphorylation IBO·2016·Q64 — ptsPDF
Q65 Nitric Oxide Feedback in Plant Nitrate Assimilation Mineral Nutrition & Nutrient Uptake IBO·2016·Q65 — ptsPDF
Q66 Comparing Lead Toxicity Thresholds for Growth and Photosynthesis in Two Microalgae Bioenergetics & Central Metabolism Overview IBO·2016·Q66 — ptsPDF
Q67 Gibberellin Signaling and Root/Shoot Allocation in Transgenic Poplar Plant Hormones IBO·2016·Q67 — ptsPDF
Q68 Hormonal Correlates of the Cucumber Super-Ovary Phenotype Plant Hormones IBO·2016·Q68 — ptsPDF
Q69 Localizing Drug Targets in the Parietal Cell Acid-Secretion Pathway Digestive & Metabolic Physiology IBO·2016·Q69 — ptsPDF
Q70 4-1BB/4-1BBL Signaling in Atherosclerosis, Autoimmunity, and Graft Rejection Immune Physiology IBO·2016·Q70 — ptsPDF
Q71 Reading Cardiac Action Potential Phases from Ion Movements Cardiovascular Physiology IBO·2016·Q71 — ptsPDF
Q72 Identifying PTH, Calcium, and Phosphate Curves After PTH-Secretion Blockade Endocrine System Physiology IBO·2016·Q72 — ptsPDF
Q73 Regional Blood Flow Redistribution During Strenuous Exercise Cardiovascular Physiology IBO·2016·Q73 — ptsPDF
Q74 Compensatory Cardiovascular Responses to Acute Hemorrhage Cardiovascular Physiology IBO·2016·Q74 — ptsPDF
Q75 Distinguishing Obstructive and Restrictive Patterns on a Flow-Volume Loop Respiratory Physiology IBO·2016·Q75 — ptsPDF
Q76 Temporal and Spatial Summation at a Postsynaptic Neuron Nervous System Physiology IBO·2016·Q76 — ptsPDF
Q77 Tracing Endocrine Feedback Loops with Sensitivity-Altering Drugs Endocrine System Physiology IBO·2016·Q77 — ptsPDF
Q78 Cortisol and 2-AG Dynamics During Motion-Sickness-Inducing Flight Endocrine System Physiology IBO·2016·Q78 — ptsPDF
Q79 Physiological Adaptation to High-Altitude Hypoxia Respiratory Physiology IBO·2016·Q79 — ptsPDF
Q80 Species Differences in Oxygen Dissociation and the Bohr Effect Respiratory Physiology IBO·2016·Q80 — ptsPDF
Q81 Clutch-Size Manipulation and Optimal Brood Size in Magpies Foraging & Anti-Predator Behavior IBO·2016·Q81 — ptsPDF
Q82 Female Choice and Interspecific Hood-Burrow Sharing in Fiddler Crabs Mating Systems & Sexual Selection IBO·2016·Q82 — ptsPDF
Q83 Frequency-Dependent Predation and the Maintenance of Moth Wing-Pattern Polymorphism Foraging & Anti-Predator Behavior IBO·2016·Q83 — ptsPDF
Q84 Mapping Linked Genes from a Four-Gene Testcross Linkage, Recombination & Genetic Mapping IBO·2016·Q84 — ptsPDF
Q85 Complementation Analysis of Three White-Flowered Mutant Lines Gene Interactions: Epistasis & Complementation Analysis IBO·2016·Q85 — ptsPDF
Q86 Applying Mutation-Selection and Heterozygote-Advantage Models to a Recessive Lethal Allele Population Genetics & Hardy-Weinberg Equilibrium IBO·2016·Q86 — ptsPDF
Q87 Genetic Mechanisms Behind Inherited and Sporadic Cancers Gene Regulation: Eukaryotic & Epigenetics IBO·2016·Q87 — ptsPDF
Q88 Chromosome Size, Gene Density, and Embryonic Lethality in Mouse Trisomies Chromosomal Variation: Number & Structure IBO·2016·Q88 — ptsPDF
Q89 Functional Consequences of mRNA Circularization Translation & the Genetic Code IBO·2016·Q89 — ptsPDF
Q90 Reading Mode of Inheritance from Four Pedigrees Pedigree Analysis & Human Genetic Disorders IBO·2016·Q90 — ptsPDF
Q91 Using SNPs, Autosomal STRs, Y-STRs, and mtDNA to Reconstruct a Family Extranuclear & Non-Mendelian Inheritance IBO·2016·Q91 — ptsPDF
Q92 Deducing an X-Chromosome Deletion from an Unusual Drosophila Cross Chromosomal Variation: Number & Structure IBO·2016·Q92 — ptsPDF
Q93 Determining Insert Size and Orientation by Restriction Mapping Recombinant DNA & Biotechnology Techniques IBO·2016·Q93 — ptsPDF
Q94 How Many DBH Categories Are Needed to Accurately Age a Tree? Secondary Growth & Wood Anatomy IBO·2016·Q94 — ptsPDF
Q95 Slug, Earthworm, and Vegetation-Type Effects on Forest Seedling Survival Ecology IBO·2016·Q95 — ptsPDF
Q96 Plant Species Richness Effects on Biomass and Soil Carbon/Nitrogen Stocks Ecology IBO·2016·Q96 — ptsPDF
Q97 Grazer Identity, Diversity, and Nutrient Enrichment in Rock-Pool Food Webs Ecology IBO·2016·Q97 — ptsPDF
Q98 Modeling Stable Population Size in Gall Aphids Ecology IBO·2016·Q98 — ptsPDF
Q99 What Phylogenetic Trees Can and Cannot Reveal Phylogenetic Trees & Cladistics IBO·2016·Q99 — ptsPDF
Q100 Sequence Divergence, Substitution Counting, and Molecular Clock Assumptions Molecular Evolution & Neutral Theory IBO·2016·Q100 — ptsPDF