You are here: Home / Resources / Browse Resources

Open. Adaptable. Free.

Resources created by our members and partners.

The QUBES platform hosts hundreds of teaching materials, reference materials, and cloud-based software free to use and adapt using open Creative Commons licenses.

Text Search:
Applied Filters
    1-029-ConeToCubeFlow-ModelingScenario
    An inverted right circular cone with a hole at the bottom is suspended above an open-topped cube which also has a hole in the center of the bottom. The cone is filled with water and we model...

    Keywords: waterflowTorricelli's Lawconecube

    351

    views

    228

    downloads

    0

    comments

    0

    adaptations

    The Evolution of Color Vision in Monkeys: From Nucleotides to Ecology
    This case study examines the evolution color vision in Old World and New World monkeys from multiple biological perspectives.

    Keywords: phylogeneticsgenescase studybiologyResources @ NSF - NCCSTSColor visiondichromatictrichromaticnucleotidesproteinsopsinscell functioncone cellsphotoreceptorsspectral shiftgene duplicationmeiosissex-linkedfood gatheringmonkeysprimatesResources @ QUBES - Teaching & Referenceundergraduate biology education

    1427

    views

    236

    downloads

    0

    comments

    0

    adaptations

    1-055-WaterFallingInCone-ModelingScenario
    We offer an opportunity to model the height of a falling body of water in a right circular cone (funnel) and to estimate an appropriate parameter based on data collected from a video of the...

    Keywords: Torricelli's Lawdischarge coefficientconecontraction coefficient

    218

    views

    198

    downloads

    0

    comments

    0

    adaptations

    1999-Leonid_Hanin-Which tank empties first
    Suppose that water towers like those shown in the opening are initially filled with water and have the same volume, height, and cross-sectional outlet area. Which one empties first?

    Keywords: tankTorricelli's Lawspherical tankemptyfrustrum of conecylinder

    110

    views

    31

    downloads

    0

    comments

    0

    adaptations

    Monkey Opsins
    This case will examine the evolution of trichromatic vision in old world monkeys.

    Keywords: modulephylogeneticsecologycell biologymolecular geneticsResources @ EvoEd

    1573

    views

    243

    downloads

    0

    comments

    0

    adaptations

    Cells of the Immune System
    This tutorial provides an overview of the immune system, concentrating on the roles played by B and T lymphocytes, and on the antigen-presentation system.
    1316

    views

    206

    downloads

    0

    comments

    0

    adaptations

    Doubling Time of Tumors
    This module introduces the calculation of potential doubling time of tumorous cells in the context of understanding the growth of a population of the cells. It is intended for an introductory...

    Keywords: linear regressionRatiosCell StructureOpenStaxCell Growth

    948

    views

    175

    downloads

    0

    comments

    0

    adaptations

    Cell Biology by the Numbers
    Vignettes that reveal how numbers serve as a sixth sense to understanding our cells

    Keywords: datacell biologyNumbersratesconcentrationMeasurementestimation

    1294

    views

    235

    downloads

    0

    comments

    0

    adaptations

    Cell Aggregation and Sphere Packing
    This module introduces the calculation of packing density in the context of understanding cell aggregation and arrangement. It is intended for an introductory biology audience.

    Keywords: RatiosGeometryInequalitiesCell StructureCell GrowthCell AggregationSphere Packing

    959

    views

    188

    downloads

    0

    comments

    0

    adaptations

    Metabolism for Energy and the Respiratory Quotient
    This module introduces the respiratory quotient in the context of understanding how metabolism is affected by environmental conditions. It is intended for an introductory biology audience.
    589

    views

    289

    downloads

    0

    comments

    0

    adaptations

    Cell Division and the Presence of a Growth Factor
    This module introduces exponential growth, the Michaelis-Menten, and Lineweaver-Burk equations in the context of understanding how growth factors influence cell division. It is intended for an...

    Keywords: exponential equationshyperbolic equationsCell StructureCell Growthgrowth factor

    805

    views

    172

    downloads

    0

    comments

    0

    adaptations

    Water Movement through a Membrane: The Van't Hoff Equation
    This module introduces the van't Hoff equation in the context of understanding the metabolic activity of the epithelial cells lining the stomach. It is intended for an introductory biology audience.

    Keywords: AlgebraInequalitiesCellular Processes

    969

    views

    180

    downloads

    0

    comments

    0

    adaptations

    1-026-Evaporation-ModelingScenario
    We provide data on evaporation of 91% isopropyl alcohol in six different Petri dishes and one conical funnel and on evaporation of water in one Petri dish. We ask students to develop a...

    Keywords: evaporationconealcoholPetri dish

    315

    views

    218

    downloads

    0

    comments

    0

    adaptations

    1-140-LeakyBucket-ModelingScenario
    We seek to model the height of water in a cylindrical tank (bucket) in which water flows out the bottom of the tank through a small bore hole while we are pouring water into the tank at the top...

    Keywords: flowTorricelli's Lawleaky bucket

    174

    views

    203

    downloads

    0

    comments

    0

    adaptations

    The Perfect Brew: An Activity Demonstrating Cell Counting and Hemocytometer Use
    In this activity, students will explore the use of a hemocytometer for counting cells, demonstrate the relationship between the grid seen in the microscope with volume of liquid in suspension and...

    Keywords: RatiosmicrobiologyqbccCellular and Molecular BiologyUnderstanding fractionsconverting unitschanging scalesmeasurements

    1200

    views

    679

    downloads

    0

    comments

    0

    adaptations

    The Perfect Brew: An Activity Demonstrating Cell Counting and Hemocytometer Use
    In this activity, students will explore the use of a hemocytometer for counting cells, demonstrate the relationship between the grid seen in the microscope with volume of liquid in suspension and...

    Keywords: RatiosmicrobiologyqbccCellular and Molecular BiologyUnderstanding fractionsconverting unitschanging scalesmeasurements

    1887

    views

    1189

    downloads

    0

    comments

    1

    adaptations

    2008-Yang-EtAl-Differential Equation Model of HIV Infection of CD T-Cells with Delay 
    Abstract: An epidemic model of HIV infection of CD4+ T-cells with cure rate and delay is studied. We include a baseline ODE version of the model, and a differential-delay model with a discrete time...

    Keywords: virusT cellsHopf bifurcationendemic equilibrium

    104

    views

    37

    downloads

    0

    comments

    0

    adaptations

    Targeting Infected Cells for Immune Defense
    This animation shows how a cell infected by a virus signals cytotoxic T cells to destroy itself.

    Keywords: Resources @ HHMI - BioInteractiveimmune systemAnatomy & PhysiologyCell communication

    993

    views

    181

    downloads

    0

    comments

    1

    adaptations

    Mitotic Index and Cell Division
    This module introduces the mitotic index in the context of understanding the dynamics of cell division in the root of a plant. It is intended for an introductory biology audience.

    Keywords: RatiosCell StructureCell GrowthchartCell DivisionMitotic Index

    1038

    views

    431

    downloads

    1

    comments

    0

    adaptations

    Nucleoplasmic Index
    This module introduces the nucleoplasmic index in the context of understanding how the volume of organelles and cell contents change during the cell cycle. It is intended for an introductory...

    Keywords: RatiosInterpreting GraphsCell StructureCell GrowthNucleoplasmic Index

    1666

    views

    276

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search