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    Investigating Enzyme Structure and Function Through Model-Building and Peer Teaching in an Introductory Biology Course
    A foundational knowledge of the relationship between structure and function is critical to understanding how enzymes work. The seemingly invisible nature of these molecular interactions makes it challenging for undergraduate students to...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology Introductory BiologyIntroductory Biology

    structure-functionEnzymeallosteric regulationcompetitive inhibitionfeedback inhibitionnoncompetitive inhibitionproductsubstrate
    Lesson
    2933

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    394

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    It's a Substrate... It's a Protein...No - It's an Enzyme! Teaching Using 3D Serine Protease Physical Modeling Activities to Confront Misconceptions.
    Reported misconceptions of enzyme-substrate interactions highlight the necessity for better, targeted instructional tools and assessments. A series of active learning activities with corresponding three-dimensional (3D) physical models were...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology

    Protein StructureEnzymes-Substrate InteractionsNoncovalent InteractionsGeometric ComplementaryElectronicsStereochemistrySerine Proteases
    Lesson
    3991

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    533

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    Splicing it Together: Using Primary Data to Explore RNA Splicing and Gene Expression in Large-Lecture Introductory Biology
    At the heart of scientific ways of knowing is the systematic collection and analysis of data, which is then used to propose an explanation of how the world works. In this two-day module, students in a large-lecture course are immersed in a...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology Cell BiologyCell Biology GeneticsGenetics Introductory BiologyIntroductory Biology

    gene regulationtranscriptiongene expressioncentral dogmarepressoralternative splicingmRNA processingActivatorTranscription factors
    Lesson
    5295

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    2601

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    Cell Signaling Pathways - a Case Study Approach
    Signaling and gene expression are fundamental to cell biology and developmental biology. Although these topics are highly interrelated, they typically appear in separate units in a course. We use a series of short problem-based learning exercises...

    Courses: Cell BiologyCell Biology Developmental BiologyDevelopmental Biology

    signal transductiongene expressionCell communicationgenetic disordersregulation of enzyme activity
    Lesson
    1535

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    337

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    Investigating Gene Expression and Cell Specialization in Axolotl Embryos
    The process of cell specialization is critical to the formation and function of tissues in animals and plants. Although gene expression, including the regulation of transcription, is taught in most introductory cell biology courses, the...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology Cell BiologyCell Biology Developmental BiologyDevelopmental Biology Science Process SkillsScience Process Skills

    developmenttranscriptiongene expressionmodel organismembryo
    Lesson
    2558

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    568

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    Linking Genotype to Phenotype: The Effect of a Mutation in Gibberellic Acid Production on Plant Germination
    Basic concepts in genetics and plant development are often taught in lecture courses without a lab component. This approach provides students with the content knowledge, but fails to make connections to research opportunities and real-world...

    Courses: Cell BiologyCell Biology Developmental BiologyDevelopmental Biology GeneticsGenetics Introductory BiologyIntroductory Biology Plant BiologyPlant Biology

    geneticsdevelopmentmutationgerminationplantmodel organismGenotype/PhenotypeHormoneSeed
    Lesson
    1949

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    368

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    Engaging Undergraduates in Mechanisms of Tubular Reabsorption and Secretion in the Mammalian Kidney
    If students fail to see the connections among physiological systems, they can become overwhelmed with the amount of information they need to learn. Some students have particular difficulty with the renal system for this reason. This lesson was...

    Courses: Anatomy-PhysiologyAnatomy-Physiology Cell BiologyCell Biology

    OsmosisActive transportMass flowRenal reabsorptionRenal secretionTransport across membranes
    Lesson
    2066

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    393

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    Metastatic Mastery: A Case and Game-Based Approach to Learning About Cancer Mechanisms
    Mechanisms that contribute to the development of cancer are numerous and complicated, though most can be traced to a set of mutations in cell cycle regulatory genes that throw the process of cell division off balance. Communication of these...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology GeneticsGenetics Introductory BiologyIntroductory Biology

    mutationcancertranscriptioncell cycletranslationOncogenesTumor-suppressorp53Transcription factor
    Lesson
    3635

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    250

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    Fragile States: A Case Study Exploring Genetics, Molecular Biology, and Biochemistry Through the Lens of Fragile X Syndrome
    This case aims to strengthen students’ understanding of molecular biology concepts through study of Fragile X Syndrome (FXS). Students begin by learning the cause and phenotypes of FXS and related conditions. Students then apply genetics...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology GeneticsGenetics

    gene regulationtranscriptiontranslationFragile X syndrometriplet repeat expansionsex linkagemetabolic pathway
    Lesson
    2224

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    446

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    A Short Laboratory Module to Help Infuse Metacognition during an Introductory Course-based Research Experience
    A core competency identified in Vision and Change for undergraduate biology students is the Ability to Apply the Process of Science. Here, we describe a three-week laboratory module for students in an Introductory Cell and Molecular Biology...

    Courses: Science Process SkillsScience Process Skills

    metacognitiongene expressionScientific ProcessExperimenal DesignHypothesis Generationmodel organisms
    Lesson
    3336

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    59

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    The Great Petunia Carnage of 2017: A Clicker Case Study Using Petunias to Describe the Effect of Genetic Modification on the Biochemistry of Flower Color and Phenotype in Plants
    In this single class period case study, students examine the difference between genotype and phenotype by studying the mechanisms by which commercially available petunias have been bred to have different phenotypes (flower colors). Students review...

    Courses: GeneticsGenetics Introductory BiologyIntroductory Biology Plant BiologyPlant Biology

    case studyGenetic ModificationsBiochemistry of Flower ColorGMO regulationsGenotype-Phenotype Connections
    Lesson
    4862

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    635

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    How Do Kidneys Make Urine From Blood? Qualitative and Quantitative Approaches to Filtration, Secretion, Reabsorption, and Excretion
    The function of the kidneys is to help maintain a constant internal environment (homeostasis) by regulating the volume and chemical composition of the blood. This regulation occurs via three fundamental processes: filtration, secretion, and...

    Courses: Anatomy-PhysiologyAnatomy-Physiology Introductory BiologyIntroductory Biology

    collecting ductexcretionglomerular filtration rate (GFR)nephron tubulereabsorptionrenal corpusclesection
    Lesson
    2394

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    721

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    Green Design: How do Leaf Structures Optimize Photosynthesis and Promote Survival?
    One of the major learning objectives established by the American Society of Plant Biologists and the Botanical Society of America has students answer the question: How do plant structures enable life functions? This lesson helps students answer...

    Courses: Introductory BiologyIntroductory Biology Plant BiologyPlant Biology

    photosynthesisepidermal layerleaf anatomymesophyllpalisade parenchymaplant anatomyplant structure functionspongy parenchymaStomata
    Lesson
    1115

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    160

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    Using Musical Instruments to Model Negative Feedback in the Hypothalamo-Pituitary-Target Gland Axes
    Homeostasis and negative feedback are crucial, yet difficult, concepts for undergraduates, particularly in the context of the hypothalamo-pituitary axes. This interactive activity was designed to (1) reveal how negative feedback can restore...

    Courses: Anatomy-PhysiologyAnatomy-Physiology

    cell-cell communicationhomeostasisnegative feedback
    Lesson
    4665

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    731

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    Teaching Cancer Biology Through a Lens of Social Justice
    The biology classroom is not separate from the greater context of society; social issues can and should be presented in connection with the content. Here we present an example of antiracist teaching using the molecular/cellular biology of cancer...

    Courses: Cell BiologyCell Biology

    assessmentcancersocial justicePOGILAlignmentPublic ExamPublic
    Lesson
    917

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    65

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    Glycolysis Can Be Fun: Rediscovering Glycolysis as a Problem-Solving Introduction to Metabolism
    A thorough understanding of glycolysis forms a foundation for students to analyze subsequent topics in metabolism, a core competency recognized by multiple national societies for biology and biochemistry. However, when confronted with the names of...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology Cell BiologyCell Biology

    Problem based learningPOGILenzymesGlycolysisMetabolismFermentationchemical reactionsCard sorting activityCofactors
    Teaching Tools and Strategies
    1165

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    147

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    Lateral Transfer Maps as a Metacognitive Tool in First Year STEM Courses
    We introduce the Lateral Transfer Map (LTM), a tool for students to actively and visually explore the transfer of ideas, skills, and concepts across concurrent coursework. The LTM is an extension of a concept map, replacing interconnected concepts...

    Courses: Professional Development and Career PlanningProfessional Development and Career Planning Science Process SkillsScience Process Skills

    concept mapmetacognitionfirst-year studenttransfer
    Teaching Tools and Strategies
    1009

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    116

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    In-class peer grading of daily quizzes increases feedback opportunities
    Educators are familiar with evidence of the benefit that frequent and immediate feedback provides to our students, regardless of class size. We also often find ourselves in a situation where we do not have enough time planned or TA support...

    Courses: Introductory BiologyIntroductory Biology

    foundational knowledgegraphical interpretationtechnical terms
    Lesson
    3252

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    265

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    Application of a Bacterial Experimental Evolution System to Visualize and Teach Evolution in Action: A Course-Based Undergraduate Research Experience
    Concepts of evolution are typically taught through examples of extremely long timescales, which do not always resonate broadly. Here, we describe a course-based undergraduate research experience tailored for junior and senior undergraduate biology...

    Courses: Biochemistry and Molecular BiologyBiochemistry and Molecular Biology BioinformaticsBioinformatics Cell BiologyCell Biology EvolutionEvolution GeneticsGenetics MicrobiologyMicrobiology

    EvolutionmutationcompetitionNatural Selectionregulationstructure and functionreproductive fitnessgenotype to phenotypehomologs
    Lesson
    2537

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    193

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    A Laboratory Module That Explores RNA Interference and Codon Optimization Through Fluorescence Microscopy Using Caenorhabditis elegans
    Scientific research experiences are beneficial to students allowing them to gain laboratory and problem-solving skills, as well as foundational research skills in a team-based setting. We designed a laboratory module to provide a guided research...

    Courses: BioinformaticsBioinformatics Cell BiologyCell Biology Developmental BiologyDevelopmental Biology GeneticsGenetics Science Process SkillsScience Process Skills

    microscopyC. elegansquantitative analysisinquiry-based learninggene expressionRNA interferenceCodon UsageLaboratory Module