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    Integrating Manipulatives and Animations to Visualize Holliday Junctions
    The complex molecular architecture of Holliday junctions is often challenging for undergraduate biochemistry students to conceptualize. In particular, they have difficulty translating from...

    Keywords: dna structureDNA damageDNA recombinationGene crossoverHolliday junction

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    Meiosis: A Play in Three Acts, Starring DNA Sequence
    Meiosis is well known for being a sticky topic that appears repeatedly in biology curricula. We observe that a typical undergraduate biology major cannot correctly identify haploid and diploid...

    Keywords: recombinationmeiosisDNA sequenceCrossingoverchromosome structureHolliday junctionhomology

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    Meiosis Remodeled: Inclusion of New Parts to Poppit Bead Models Enhances Understanding of Meiosis
    A long-standing tradition uses strings of poppit beads of different colors to model meiosis, especially to show how segments of paired homologous chromosomes are recombined. Our use of orthodontic...

    Keywords: meiosischiasma formationchromosome recombination

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    Exploring Primary Scientific Literature through the Lens of the 5 Core Concepts of Biology
    Biology students at the undergraduate level usually excel in knowing biological facts; however, they often struggle with connecting these facts to specific biological principles. In parallel,...

    Keywords: 5 core conceptsconnecting facts to principlesreading primary scientific literature

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    Quantifying and Visualizing Campus Tree Phenology
    Large enrollment courses present a challenge for instructors who want to engage students in authentic science practices that fit the recommendations of Vision & Change. Our lesson provides a...

    Keywords: ecologyBiodiversityphenologyplant biology

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    Converting a Face-to-Face Lab to Online: An Example of Process and Outcomes for a CRISPR-Based Molecular Biology Lab
    The COVID-19 pandemic created a need to convert in-person laboratory courses into an online format in a short amount of time. For this reason, we converted our face-to-face molecular biology lab...

    Keywords: mutationtranscriptioncrisprtranslation

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    Gratitude Interventions in a Biology Course to Foster Student Persistence and Success
    College students are experiencing a mental health crisis, which has been further exacerbated by the COVID-19 pandemic. This is problematic because stress and anxiety impede learning. One way to...

    Keywords: mental healthgratitudepositive psychologydegree commitment

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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...

    Keywords: microscopyC. elegansquantitative analysisinquiry-based learninggene expressionRNA interferenceCodon UsageLaboratory Module

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    Active Learning: Developing Self-Directed Learners Through Strong Intellectual Engagement
    When they were students, many current science instructors learned through traditional lectures. This mode of passive knowledge transmission has been shown to be less effective for student learning...

    Keywords: active learningmetacognitionconstructivism

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    Wikipedia in the Science Classroom
    Despite research suggesting that writing-to-learn exercises (WTL) in the classroom are associated with increased student learning, WTL is still not widely implemented in science courses. To provide...

    Keywords: scientific writingcritical evaluationWikipediawriting for general public

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    Interactive Video Vignettes (IVVs) to Help Students Learn Genetics Concepts
    Many video resources exist to teach Mendelian genetics, but most consist of passive delivery of information rather than active construction of knowledge by users. We have created two interactive...

    Keywords: genotypephenotypeallelespedigreedominanceHardy-Weinberg equilibriumInheritance

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    Distances in the Universe: An Inquiry Lab Sequence Taught in West Africa and North America
    Astronomy evokes deep curiosity for many people, making it a beautiful topic for supporting students to learn scientific practices and develop as scientists. We present an inquiry-based lab...

    Keywords: InquiryAstronomy labParallaxInverse-square law for lightCosmic distance ladderAsking investigable questions

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    Video Making Tips for Laboratory Instructors
    Demonstration videos are an excellent way to introduce students to new laboratory techniques, but many available videos are of low quality, too long, lack human diversity, and the main narrator is...

    Keywords: microscopypipettingLab Equipment

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    What is Speciation, How Does It Occur, and Why Is It Important for Conservation?
    Speciation provides a framework for classifying biodiversity on Earth and is a central concept in evolutionary biology. To help undergraduate students learn about speciation, we designed a...

    Keywords: EvolutionconservationGenetic DriftSpeciationNatural SelectionBiological species conceptgene flowMorphological species conceptPhylogenetic species concept

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    A Fun Introductory Command Line Lesson: Next Generation Sequencing Quality Analysis with Emoji!
    Radical innovations in DNA sequencing technology over the past decade have created an increased need for computational bioinformatics analyses in the 21st century STEM workforce. Recent...

    Keywords: bioinformaticsgenomicscodingJupyter notebookcommand lineCyVersescriptingnext generation sequencing analysis

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    Teaching Advanced Concepts in Regulation of the Lac Operon With Modeling and Simulation
    Success in biochemistry and other life science courses requires that students understand important biological concepts. One of these concepts is how gene regulation ensures that homeostasis is...

    Keywords: gene regulationinducible operonProkaryotic cellPhosphoenolpyruvate transferase system (PTS)

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    Make It Stick: Teaching Gene Targeting with Ribbons and Fasteners
    Manipulating gene expression is a commonly used tool to study the effect of a single gene or the hierarchy of gene networks in many different biological disciplines. When working with mice, the...

    Keywords: mathematical modelhomologous recombinationCre/loxgene targeting

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    Implementing active learning approaches into an upper-division biology course
    In this essay, we present our strategy for implementing active learning strategies into an upper division course on Human Genetics. Our principal goal was to shift from a traditional didactic...

    Keywords: human biologyPedigree analysisRare genetic diseases

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    Exploring Species Interactions with "Snapshot Serengeti"
    Authentic learning experiences are a valuable way for students to gain an in-depth understanding of the scientific process. However, implementing such experiences in large enrollment courses can be...

    Keywords: ecologyspecies interactionscitizen scienceCommunity Ecologyanimal behaviorScience Communicationmigrationanimal activityspecies distribution

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    CRISPR/Cas9 in yeast: a multi-week laboratory exercise for undergraduate students
    Providing undergraduate life-science students with a course-based research experience that utilizes cutting-edge technology, is tractable for students, and is manageable as an instructor is a...

    Keywords: bioinformaticsPCRphenotypingCRISPR/Cas9gene editingcloningGenotypingRestriction enzyme

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