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    Lesson
    2019

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    A Simple Method for Predicting a Molecule's Biological Properties From Its Polarity
    The distinction between very polar and less polar substances is a foundation of biochemistry, cell biology, and physiology; it surfaces in multiple concept inventories and elaborations of biological core concepts. However, in our experience, most...

    Courses: Anatomy-PhysiologyAnatomy-Physiology Biochemistry and Molecular BiologyBiochemistry and Molecular Biology Cell BiologyCell Biology Introductory BiologyIntroductory Biology

    Diffusionsolubilitycovalent bondshydrophilichydrophobicpartition coefficientplasma membranepolarity
    Lesson
    5005

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    661

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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
    1970

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    370

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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
    1466

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    433

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    Using Images of Foraging Leaf-Cutter Ants to Teach Linear Regression
    This lesson offers students a realistic, open-inquiry research experience, even when lab or field research is not possible. We first introduce students to leaf-cutter ants and how they forage. Then we provide images and videos of foraging...

    Courses: EcologyEcology Introductory BiologyIntroductory Biology Science Process SkillsScience Process Skills

    linear regressionexperimental designPlant-insect interactionsSymbiosisForaging behavior
    Lesson
    2338

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    284

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    You and Your Oral Microflora: Introducing non-biology majors to their “forgotten organ”
    With limited time available for laboratory activities, introductory science courses for non-science majors typically use the laboratory period to reinforce material that was previously presented during lecture. This practice was true of a human...

    Courses: GeneticsGenetics Introductory BiologyIntroductory Biology MicrobiologyMicrobiology Science Process SkillsScience Process Skills

    bacteriamicrobiomeBLASTmicrobesDNA replicationPolymerase chain reaction (PCR)
    Lesson
    3657

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    195

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    Three Research-Based Quantitative Reasoning Modules for Introductory Organismal Biology Laboratories
    We have designed three laboratory modules for an introductory organismal biology course with an emphasis on quantitative reasoning and data analysis skills. Module 1 tests for dimorphism in crayfish chelae using a paired statistical design. Module...

    Courses: Introductory BiologyIntroductory Biology Science Process SkillsScience Process Skills

    allometryplantsAnatomytranspirationdimorphisminvertebrate biologyarthropodsplatyhelminths