CourseSource: Resources

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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 involves three acts in which students, representing...

Courses: Biochemistry and Molecular Biology Cell Biology Introductory Biology

ATPcarrierschannelsco-transportelectrogenic pumpfacilitated diffusionmembrane transportpassive transportprimary active transportsimple diffusion

Lesson

3048

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478

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0

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Targeting Misconceptions in the Central Dogma by Examining Viral Infection

Understanding the central dogma and how changes in gene expression can impact cell function requires integration of several topics in molecular biology. Students often do not make the necessary connections between DNA structure, transcription,...

Courses: Genetics Introductory Biology

datatranscriptionvirustranslationprotein functionmembrane transportPredictions

Lesson

4877

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638

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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-Physiology Introductory Biology

collecting ductexcretionglomerular filtration rate (GFR)nephron tubulereabsorptionrenal corpusclesection

Lesson

1954

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369

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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-Physiology Cell Biology

OsmosisActive transportMass flowRenal reabsorptionRenal secretionTransport across membranes

Lesson

2310

views

464

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Translating Co-Translational Translocation

Understanding the process of proteins targeting to specific locations within a cell is a fundamental part of cell biology. Synthesis of proteins by co-translational translocation, which also determines the resulting protein topology, is a complex...

Courses: Cell Biology

Topologyco-translational translocationendoplasmic reticulumprotease protection assaysecretory proteinssignal sequencetransmembrane proteins

Essay

1658

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347

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Online Adaptation of the Cell Engineer/Detective Lesson

One of the most fundamental themes of biology is the relationship between structure and function, which is particularly evident when it comes to cells; however, the traditional cartoon depictions of cells that are often used to help teach the...

Courses: Cell Biology Introductory Biology Science Process Skills

cell functionCell StructureOrganelles

Lesson

1528

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534

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Investigating the Function of a Transport Protein: Where is ABCB6 Located in Human Cells?

One of the challenges of teaching Cell Biology is helping students understand important research methods used to study cells. The goal of understanding cell biology methods is especially challenging in courses without a laboratory...

Courses: Cell Biology

ABC transporter familyDifferential centrifugationImmunoblottingImmunofluorescence assayProtein localizationPurifying organellesSDS-PAGE

Lesson

1950

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499

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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-Physiology Biochemistry and Molecular Biology Cell Biology Introductory Biology

Diffusionsolubilitycovalent bondshydrophilichydrophobicpartition coefficientplasma membranepolarity

Lesson

5142

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1340

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Teaching Cell Structures through Games

As the basic unit of life, cells are a foundational concept for all of biology. Before students can appreciate how eukaryotic cells function either in isolation or in higher order and multicellular organisms, they must first have a basic...

Courses: Introductory Biology

Cell Structurecell organellesTransmembrane Transport

Lesson

2010

views

510

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0

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Using Immunocytochemistry and Fluorescence Microscopy Imaging to Explore the Mechanism of Action of Anti-Cancer Drugs on the Cell Cycle

Understanding and visualizing the cell cycle and mitosis is an essential concept of cell biology. This multi-week lab module has students investigate the mechanism of action of anti-cancer drugs that disrupt activities associated with mitosis and...

Courses: Cell Biology Science Process Skills

fluorescence microscopymitosisCell StructureCell ImagingImmunocytochemistryQuantitative microscopySTEM skills

Lesson

2590

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264

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The Leaky Neuron: Understanding synaptic integration using an analogy involving leaky cups

Students have difficulty understanding synaptic integration in neural circuits, and how spatial and temporal summation combine in a target neuron to reach threshold. This Lesson uses small cups of water to represent excitatory postsynaptic...

Courses: Neurobiology

neuron physiologyspatial summationsynaptic integrationtemporal summationthreshold

Lesson

2057

views

486

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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 students' understanding of the proteins that...

Courses: Cell Biology

DiffusionActive transportfacilitated diffusionNecessary and sufficientTransport proteins

Lesson

114

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3

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Osmosis Through the Lens of Sexual Health

Osmosis contributes to a range of biological phenomena, from functioning of nephrons in animals to stomatal opening and closing in plants; yet, scientifically simple ideas about osmosis are common. These ideas limit learners’ comprehension...

Courses: Anatomy-Physiology Cell Biology Introductory Biology Science Process Skills

OsmosisDiffusionsexual healthsocial and cultural embeddedness of scienceinclusive dialogue

Lesson

348

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16

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Adapting a Traditional Laboratory Exercise to Become Inquiry Based: An Example With an Introductory Biology Lab in Diffusion

Authentic research experiences are effective in fostering self-efficacy and increasing retention in STEM, particularly among minoritized student populations. Many instructors have sought to bring these to a wide range of students in the form of...

Courses: Introductory Biology Science Process Skills

protocolquestionDiffusionVariableshypothesisscience processcontrolscientific efficacy

Lesson

1615

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389

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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 relationship of pH and pKa throughout a typical...

Courses: Biochemistry and Molecular Biology Science Process Skills

pHdrug uptakeHenderson-Hasslbalch equationmedical applicationspKa

Science Behind the Lesson

2976

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156

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Science Behind the Lesson: It's a Bird! It's a Plane! It's Biomechanics!

Active flight is a specialized mode of movement found in insects, birds, and mammals. The anatomy, morphology, physiology, and ecology of flying taxa has changed over evolutionary time. Researchers have proposed several hypotheses about the...

Courses: Anatomy-Physiology Ecology Ecology

EvolutionecologybatphysiologyAnatomybiomechanicsbirdFlightinsect

Teaching Tools and Strategies

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199

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An Interactive Protocol for In-Classroom DNA Extraction

Using commonly available materials, this tool allows students to extract DNA, exploring DNA chemistry and the principles of experimental design and execution. We take a “Choose Your Own Adventure” approach encouraging students to...

Courses: Biochemistry and Molecular Biology Genetics Introductory Biology

geneticsDNAbiochemical structure and function

Lesson

1167

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552

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Understanding Gastric Acid Secretion: An Active Learning Approach

The human digestive system is a diverse network of cells, tissues, and organs that is regulated by systemic (e.g., nervous and endocrine systems) and local factors (e.g., secretions, pH, and the microbiome). Given the volume of content and the...

Courses: Anatomy-Physiology

diseasesignal transductionAcid SecretionAutonomic Nervous SystemEndocrineGastric PhysiologyGPCRHistology of Gastric Pit

Lesson

1476

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511

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1

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Grow the Gradient: An interactive countercurrent multiplier game

The countercurrent multiplier of the loop of Henle in a mammalian kidney is a challenging concept for instructors to teach and for students to learn. We developed an interactive game to support student learning of this dynamic process with a team...

Courses: Anatomy-Physiology Introductory Biology

countercurrent multiplierexcretory systemkidneyloop of Henlemembrane transport

Science Behind the Lesson

476

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34

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X-ploring Fragile X: The Science Behind the Syndrome

Fragile X Syndrome is an X-linked genetic disorder resulting from the impairment of transcription of the FMR1 gene, producing less to no FMRP protein. FMRP is a translational inhibitor that plays a key role in neurological development. Recent...

Courses: Biochemistry and Molecular Biology Genetics Introductory Biology