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
    1987-Claude-Marmasse-Studies on differential equations of enzyme kinetics-Biomolecular scheme
    The integral curve is compared with the solutions given by the two classical approximations to the problem: it is shown that the steady-state approximation is to be preferred to the rapid...

    Keywords: steady-state modelisoclinesenzyme kinetics

    87

    views

    43

    downloads

    0

    comments

    0

    adaptations

    Spreadsheet Tutorial 2 - Autofill Data, Cell References, and Standard Deviation
    Generate a table with autofill, and use absolute cell reference to calculate variance and standard deviation.

    Keywords: Resources @ HHMI - BioInteractiveScientific ProcessStatistics and MathScientific MethodologyHigh School

    1613

    views

    425

    downloads

    0

    comments

    0

    adaptations

    A Direct Experience Study of Density-Dependent Growth
    An experiential approach to density-dependent growth using a checkerboard, 6-sided die, and two types of markers.

    Keywords: logistic growthdensity dependenceexperiential

    1479

    views

    202

    downloads

    0

    comments

    0

    adaptations

    1-060-RegularPerturbation-TechniqueNarrative
    This paper presents an introduction to a set of analytical approximations referred to as regular perturbation. This is a particular mathematical tool within the broader set of perturbation...

    Keywords: perturbationregular perturbationasymptotic expansionsanalytical approximationBernoulli equation

    170

    views

    225

    downloads

    0

    comments

    0

    adaptations

    Curvature and Maximum Permissible Speeds
    In this activity students will compute the curvature of a section of commuter rail and use it to determine a safe speed at which a train should can round the corner without tipping or derailing....

    Keywords: data analysiscalculusnumerical approximationengineeringcalculus 3transportation

    436

    views

    376

    downloads

    0

    comments

    0

    adaptations

    2-001-NumericalMethodsComparisons-TechniqueNarrative
    This material teaches the basics of numerical methods for first order differential equations by following graphical and numerical approaches. We discuss the order of accuracy of the methods and...

    Keywords: Euler's methodimproved Euler's methodRK3 methodsRK4 methodsorder of accuracyabsolute errorCPU time

    309

    views

    145

    downloads

    0

    comments

    0

    adaptations

    2018-Hu-Huang-Dynamic Regulation Responding to an External Stimulus
    This study examines the dynamic regulation process responding to an external stimulus. This study introduces the driven damped oscillator model which has an additional parameter to identify...

    Keywords: dynamical systemsregulationsteady statesales modelexternal stimulus

    321

    views

    47

    downloads

    0

    comments

    0

    adaptations

    2017-Varanis-Mereles-Mathematical Model of a Vehicle Crash A Case Study
    The model proposed in this paper allows one to obtain the parameters of the system, and then compare them with the ones obtained experimentally to test the suitability of the model with the vehicle...

    Keywords: case studyRunge-Kuttaspring mass dampervehicle crash

    330

    views

    60

    downloads

    0

    comments

    0

    adaptations

    2015-Sivakumar-EtAl-Approximate Analytical Expression of Concentrations in a Kinetic Model for Biogas Generation from Banana Waste
    The initial value problem in a kinetic model for biogas generation from banana waste is discussed. The model involves the system of non-linear differential equations which has variety of non-linear...

    Keywords: chemical kineticsMichaelis-Menten kineticsanaerobic digestionacidogenic stepsbananamethanogenic stepswastes

    121

    views

    38

    downloads

    0

    comments

    0

    adaptations

    1-102C-CancerGrowth-ModelingScenario
    This module guides students in the use of differential equation models to predict cancer growth and study treatment outcomes. Several classical models for cancer growth are presented including...

    Keywords: optimizationcancerlogisticexponentialpredictiontumorgrowthdata fittingpower lawBertanffyGompertz

    280

    views

    218

    downloads

    0

    comments

    0

    adaptations

    3-085-SimplePendulum-ModelingScenario
    Thestudent is asked to derive and solve a differential equation that gives the position (angle

    Keywords: Newton's Second Law of Motionpendulumkinetic energypotential energyConservation of Energytinitial conditionssmall angle approximationTaylor polynomialpercent error

    161

    views

    81

    downloads

    0

    comments

    0

    adaptations

    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

    2372

    views

    380

    downloads

    0

    comments

    0

    adaptations

    6-029-TumorGrowth-ModelingScenario
    This modeling scenario guides a student familiar with single ordinary differential equation (ODE) models towards the development of a more complex system of two ODEs for describing the evolution of...

    Keywords: Pop_Growth Pilotlogisticcomparmenttumorsynthetic datasum of squares error

    175

    views

    217

    downloads

    0

    comments

    0

    adaptations

    3-064-GearTrain-ModelingScenario
    Students model an input-output mechanical system of gears with a second order, non-homogeneous, ordinary differential equation with constant coefficients. The model incorporates friction and...

    Keywords: frictiongearspur geargear traintorquegear ratioangular accelerationangular velocitymoment of inertiadouble reduction gear

    164

    views

    178

    downloads

    0

    comments

    0

    adaptations

    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...

    Keywords: countercurrent multiplierexcretory systemkidneyloop of Henlemembrane transport

    1344

    views

    466

    downloads

    1

    comments

    0

    adaptations

    1984-W_Brunner-D__Focht-Deterministic Three-Half-Order Kinetic Model for Microbial Degradation
    The kinetics of mineralization of carbonaceous substrates has been explained by a deterministic model which is applicable to either growth or nongrowth conditions in soil.

    Keywords: kineticsnonlinear regressionsum of square errorsMonodlinearizemineralizationsubstratescarbonaceous

    104

    views

    31

    downloads

    0

    comments

    0

    adaptations

    Using Musical Instruments to Model Negative Feedback in the Hypothalamo-Pituitary-Target Gland Axes
    Homeostasis and negative feedback are crucial, yet difficult, concepts for undergraduates, particularly in the context of the hypothalamo-pituitary axes. This interactive activity was designed to...

    Keywords: cell-cell communicationhomeostasisnegative feedback

    1039

    views

    146

    downloads

    0

    comments

    0

    adaptations

    Fruit Fly Genetics in a Day: A Guided Exploration to Help Many Large Sections of Beginning Students Uncover the Secrets of Sex-linked Inheritance
    Moving beyond the basic concepts of autosomal Mendelian inheritance to sex-linkage can be difficult for introductory biology students. Although crosses with Drosophila fruit flies have long been a...

    Keywords: Mendelian Geneticsfruit fly biologysex-linked inheritance

    2853

    views

    854

    downloads

    1

    comments

    0

    adaptations

    Unwrapping Enzyme Kinetics
    Enzyme rates and kinetics are key components used by biochemists to understand how enzymes function. However, students often find it difficult to understand how these experiments are performed and...

    Keywords: kineticsstructure-functionenzymescatalysis

    2471

    views

    701

    downloads

    0

    comments

    0

    adaptations

    Infectious Chocolate Joy with a Side of Poissonian Statistics: An activity connecting life science students with subtle physics concepts
    Introductory physics courses are required for many programs in the life sciences, yet traditional curricula fail to help students meaningfully connect physical concepts with biological...

    Keywords: quantitative biologyHIVmultiplicity of infectionPoisson DistributionPhysics for biologists

    1339

    views

    139

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search