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    Modeling Strep Throat Detection, Infection, and Spread Using an SIR Model and the Vensim Simulation Software
    The overarching goal of this lesson is to provide students with an opportunity to gain experience making and using biological models. Biological modeling can be used to investigate complex,...

    Keywords: infectious diseasebiological modelingSIR model

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    Using Zebrafish in a Developmental Biology Lab Course to Explore Interactions Between Development and the Environment
    Important learning outcomes for biology students include the ability to develop experiments as well as pull together concepts across their coursework. The field of developmental biology, especially...

    Keywords: toxicologymorphogenesisorganogenesis

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    Necessary and Sufficient? Solving the Mystery of the Mitochondrial Pyruvate Transporter
    While there are several available lessons for teaching introductory biology students about diffusion, facilitated diffusion, and active transport, fewer materials exist to support upper-division...

    Keywords: DiffusionActive transportfacilitated diffusionNecessary and sufficientTransport proteins

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    The Avocado Lab: An Inquiry-Driven Exploration of an Enzymatic Browning Reaction
    Typical biochemistry labs exploring basic enzyme activity rely on costly, time-consuming protein purification and rarely explore enzyme function in situ. Further, complex purification procedures...

    Keywords: enzymescontrolsenzyme inhibition

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    The Inside and Outside the Body
    The Inside and Outside the Body activity helps students develop a conceptual understanding of anatomical barriers such as skin and mucus membranes that separate internal cells and fluids from the...

    Keywords: structureAnatomybarriers

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    A Short Bone Biomechanics Primer: Background for a Lesson on Bone Viscoelasticity
    The skeletal system is the first of the body systems that we discuss in-depth in our Physiology & Anatomy courses (PNB 2264/2265 and PNB 2274/2275) in the Department of Physiology and...

    Keywords: structure-functionbiomechanicsAnisotropyViscoelasticity

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    Discovering Prokaryotic Gene Regulation with Simulations of the trp Operon
    The trp operon exemplifies important biological concepts, including the central dogma of molecular biology, feedback inhibition, and gene regulation. For this reason, regulation of the trp operon...

    Keywords: prokaryotesgene regulationattenuationfeedback inhibitionrepressible operontrp operon

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    Using Place-Based Economically Relevant Organisms to Improve Student Understanding of the Roles of Carbon Dioxide, Sunlight, and Nutrients in Photosynthetic Organisms
    Biology students require broad preparation for diverse careers including agriculture, natural resource management, and laboratory research. Concurrent with this need, employers are seeking...

    Keywords: energyphotosynthesisbiomass

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    Discovering Cellular Respiration with Computational Modeling and Simulations
    Cellular respiration, a common topic among introductory and cellular biology curricula, is a complex biological process that exemplifies core biological concepts, including systems, pathways and...

    Keywords: Cellular MechanismsCellular RespirationFermentation

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    Taking the Hassle out of Hasselbalch
    Mention pH in a classroom and you can almost see the inner yawn on the faces of your students. The definition may even roll easily from their lips. However, despite multiple exposures to the...

    Keywords: pHdrug uptakeHenderson-Hasslbalch equationmedical applicationspKa

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    The Lecture-Free Classroom: Teaching students backward design and Bloom's Taxonomy to create their own learning environment
    We describe Presentation Enhanced Learning (PEL), a flexible, lecture-free, field-tested teaching format to promote problem-based, active learning in upper-division or graduate biological sciences...

    Keywords: active learningbackward designProblem based learningBloom's Taxonomy

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    Lights, Camera, Acting Transport! Using role-play to teach membrane transport
    Lights, Camera, Acting Transport! is an active and unique role-play exercise designed to teach introductory biology students basic concepts of passive and active membrane transport. The activity...

    Keywords: ATPcarrierschannelsco-transportelectrogenic pumpfacilitated diffusionmembrane transportpassive transportprimary active transportsimple diffusion

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    Water Quality Investigation (Project EDDIE)
    This multi-part module aims to help you learn about water quality implications by understanding the variability of concentrations of nitrate in stream water through the evaluation of real-time data...

    Keywords: dataExcelwaternitrogenUSGSProject EDDIEnitrogen cycle

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    Diffusion Through a Cell Membrane
    This module introduces rates of diffusion in the context of understanding simple and facilitated diffusion through the cell membrane. It is intended for an introductory biology audience.

    Keywords: linear equationscalculushyperbolic equationsCellular Processesrates of change

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    Maintaining Cellular Conditions: pH and Buffers
    This module introduces the chemical reactions related to pH in the context of understanding how acidity can affect both the structure and chemical reactivity of cellular molecules. It is intended...

    Keywords: ExponentsLogarithmsRatiosCellular Processes

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    Phototropism and Gravitropism: Quantifying Stem Curvature in Plants Introduction
    This module introduces phototropism and gravitropism in the context of understanding how to quantify stem curvature of plants. It is intended for an introductory biology audience.

    Keywords: plant physiologyGeometryTrigonometry

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    Permeability of Molecules
    This module introduces Overton's Rule in the context of understanding the permeability of molecules across the cell membrane. It is intended for an introductory biology audience.

    Keywords: linear regressionPermeabilityCell StructureCell MembraneOpenStaxphospholipid membranelog-log plotsOverton's rule

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