CourseSource: Resources

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735

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Electron Location, Location, Location: Understanding Biological Interactions

Introductory Biology courses typically introduce the structure and function of biomolecules such as proteins and nucleic acids. To understand biomolecules fully, students require knowledge of fundamental chemistry concepts such as covalent...

Courses: Biochemistry and Molecular Biology Introductory Biology

hydrogen bondshydrophobicity/hydrophilicitypolar and non-polar covalent bonds

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2954

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347

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0

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Serotonin in the Pocket: Non-covalent interactions and neurotransmitter binding

This lesson introduces beginning biochemistry students to the concept of a biomolecule binding site, such as a neurotransmitter receptor site or an enzyme active site. A simple organic molecule, the neurotransmitter serotonin, is the focus of the...

Courses: Biochemistry and Molecular Biology

active sitebindingbinding sitehydrogen bondinghydrophobic effectionic interactionsnon-covalent forces

Lesson

5584

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1152

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3

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Meiosis: A Play in Three Acts, Starring DNA Sequence

Meiosis is well known for being a sticky topic that appears repeatedly in biology curricula. We observe that a typical undergraduate biology major cannot correctly identify haploid and diploid cells or explain how and why chromosomes pair before...

Courses: Cell Biology Genetics Introductory Biology

recombinationmeiosisDNA sequenceCrossingoverchromosome structureHolliday junctionhomology

Lesson

2770

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674

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0

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The Case of the Missing Strawberries: RFLP analysis

While solving the fictional mystery of the missing strawberries, students are engaged in a guided-inquiry lesson featuring small-group and class discussions, hands-on activities, and laboratory exercises related to molecular genotyping by...

Courses: Genetics Science Process Skills

process of scienceDNAforensicsgel electrophoresisMolecular genotypingRestriction endonucleaseRestriction enzymeRestriction fragment length polymorphismRFLP

Lesson

3657

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195

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0

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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 Biology Science Process Skills

allometryplantsAnatomytranspirationdimorphisminvertebrate biologyarthropodsplatyhelminths

Lesson

4178

views

850

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Exploring the Complexities of Photosynthesis Through a Comic Strip

Photosynthesis is a conceptually challenging topic. The small scale at which photosynthesis takes place makes it difficult for students to visualize what is occurring, and students are often overwhelmed by all of the details of the process. This...

Courses: Introductory Biology Plant Biology

photosynthesislight-dependent reactionsCalvin cyclechloroplast

Lesson

5196

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687

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Investigating Enzyme Structure and Function Through Model-Building and Peer Teaching in an Introductory Biology Course

A foundational knowledge of the relationship between structure and function is critical to understanding how enzymes work. The seemingly invisible nature of these molecular interactions makes it challenging for undergraduate students to...

Courses: Biochemistry and Molecular Biology Introductory Biology

structure-functionEnzymeallosteric regulationcompetitive inhibitionfeedback inhibitionnoncompetitive inhibitionproductsubstrate

Lesson

2239

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474

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A Lesson on Matter and Energy at the Organismal Scale: Linking Patterns and Processes Across Diverse Taxa

Pathways and transformations of energy and matter (PTEM) are a conceptually challenging but essential component of biological literacy. Curricular gaps about PTEM nevertheless remain; although lessons targeting PTEM at small scales (chemical,...

Courses: Ecology Ecology Introductory Biology

plantsenergyAnimalsfungimatterorganismal scale

Lesson

971

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120

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My Fish Tank: An Active Learning Activity for Bacterial Nitrogen Metabolism

This active learning activity introduces students to the second part of the nitrogen cycle, nitrification. In terrestrial and aquatic environments, bacteria from the Nitrosomonas and Nitrobacter genera oxidize ammonia first to nitrite (via a...

Courses: Biochemistry and Molecular Biology Ecology Ecology Microbiology

nitrogen cyclenitrificationnitrifying bacteria

Lesson

3016

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201

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The Three Sisters of Agriculture: An Active Learning Activity on Symbiotic Nitrogen Fixation

This active learning exercise introduces students to the plant microbiome and the contributions that bacteria make to plant growth and food production. The Three Sisters are an ancient indigenous practice in which three plant crops and the...

Courses: Microbiology

SymbiosisPlant microbiomeNitrogen fixationNutritional content of foodElectron flowSociety impact of microorganisms

Lesson

4156

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624

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0

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Using Bioinformatics and Molecular Visualization to Develop Student Hypotheses in a Malate Dehydrogenase Oriented CURE

Developing student creativity and ability to develop a testable hypothesis represents a significant challenge in most laboratory courses. This lesson demonstrates how students use facets of molecular evolution and bioinformatics approaches...

Courses: Biochemistry and Molecular Biology Bioinformatics Science Process Skills

bioinformaticsNoncovalent InteractionsEnzyme CatalysisProtein Structure/function

Lesson

1198

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554

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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

781

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58

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Breaking It Down: What Factors Control Microbial Decomposition Rates?

Demonstrating and modeling changes in ecosystem processes in the laboratory classroom can be logistically difficult and expensive. This complexity often leaves little time for students to generate and test hypotheses. Yet, we must foster student...

Courses: Ecology Ecology Microbiology Science Process Skills

data analysishypothesis testingdata visualizationdata managementMicrobial RespirationDecompostionAbiotic ConditionsResults Communication

Lesson

405

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26

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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

Teaching Tools and Strategies

1710

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322

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SCIENCE/Fiction: Modular Template for Class Design

We present a modular scaffold for designing an introductory seminar using speculative fiction and science papers to welcome university undergraduates to the biology major. A list of twelve possible topics is included, such as Memory, Parasites,...

Courses: Anatomy-Physiology Biochemistry and Molecular Biology Cell Biology Evolution Genetics Introductory Biology Neurobiology

geneticscell biologyneurosciencesystems biologyScience Fiction

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1161

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93

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Glycolysis Can Be Fun: Rediscovering Glycolysis as a Problem-Solving Introduction to Metabolism

A thorough understanding of glycolysis forms a foundation for students to analyze subsequent topics in metabolism, a core competency recognized by multiple national societies for biology and biochemistry. However, when confronted with the names of...

Courses: Biochemistry and Molecular Biology Cell Biology