Biology Junction
Elements and Macromolecules in Living Things
In this biology learning exercise, students read about macromolecules and elements in living things to answer 56 questions that follow. They also draw the molecular structure of some organic and inorganic molecules.
Curated OER
Using Cytochrome-C to Explore Evolutionary Relationships
Students analyze protein sequences. In this instructional activity on determining evolutionary relationships, students use the Internet tools BLAST and Biology Workbench to look at protein sequences. Students will compose an essay that...
Serendip
UV, Mutations, and DNA Repair
How effective are cells at repairing UV damage? An inquiry-based lesson has learners experiment with organism by exposing them to various levels of UV light and then examining their DNA after a period of time. Pupils test different...
Virginia Department of Education
The Effects of Heat and Acid on the Enzyme Catalase
How quickly do enzymatic reactions occur? Assist the class as they examine heat and pH change to determine the rate of chemical reactions using catalase as an enzyme. Watch them "glow" with excitement!
Curated OER
Student Cancer Journals -- Personal Reflections and Research on Life and Death Issues
Concepts learned in the study of mitosisand biochemistry help when making life or death decisions. Compile a notebook or portfolio of work related to the project can make the research more organized and relevant.
Curated OER
Constructing a Phylogenetic Tree
Students are given the opportunity to analyze DNA sequence differences between organisms in order to establish a reasonable picture of the evolutionary relationships between them (Phylogenetic Tree). In the simulation form they are...
Curated OER
Applied Evolution: How Will We Get There from Here?
Young scholars explore the basic process of natural selection and how people can manipulate that process today. The consequences of natural selection on daily life and the implications of evolutionary biology in basic and applied science...
Curated OER
Biotechnology
Students explore biotechnology through various activities. In this biology lesson, students analyze its pros and cons. They study and read informative articles about biotechnology.
Curated OER
Diffusion Across a Selectively Permeable Membrane
Students investigate how water passes through cell membranes. In this biology lesson, students differentiate osmosis and diffusion. They illustrate the movement of water in both processes.
Curated OER
Molecular Approaches to Evolution
Students are introduced to working with molecular data. The first activity does both simulated and original data are used to compare amino acid, protein or DNA differences to construct phylogenetic trees or cladograms. These activities...
Curated OER
"Who Done It?" Analysis of Molecular Fingerprints Left At the Scene of the Crime
Learners examine different types of DNA fragments. They record and analyze their results. They determine who is the criminal in the story.
Virginia Department of Education
The Ratio of Surface Area to Volume
Demonstrate the ratio of surface area to volume in your high school class by using phenolphthalein, gelatin, and an onion. Intrigue the class by leading a discussion on osmosis and diffusion, then making "scientific jello." Participants...
Curated OER
Catalase: A Bioinformatics Case Study
Students investigate the physical structure of a protein by using a computer simulation tool. They record its primary amino acid structure while viewing it in three dimensions for a better visual recognition. There is also a comparison...
Curated OER
Strawberry Smoothies
Biologists extract the DNA from a strawberry. After completing the procedure, learners write answers to a few questions on the lab sheet provided. This is ideal lab practice during a DNA unit in your general biology course.
Curated OER
Using Amino Acid Sequences to Show Evolutionary Relationships
Compare protein fragments, count amino acids, and use the information to explore common ancestry. The resource mentions a student worksheet, however, a separate printable worksheet is not provided. The exercises are written into the...
Curated OER
Using Amino Acid Sequences to Show Evolutionary Relationships
Junior biologists compare the amino acid sequences from fragments of five different globin molecules. They count the letter differences between each species pair. They construct a graphic representation of the evolutionary relationships...
Curated OER
Ah Choo!
Students compare bacteria to viruses to find the differences. In this biology lesson, students research viruses they have been inoculated against, using the Internet. Students complete a graphic organizer of their research on common...
Curated OER
Bacterial Transformation Kit
Students participate in an experiment in which they practice moving genes from one organism to another. They examine the results of a recombination of jellyfish. They identify different types of bacteria as well.
Curated OER
Physiological Adaptations
High schoolers investigate the concepts of genetics and how it is tied to the variations found within different species and how it is tied to adaptations. They review the theory of evolution and factors found to help create variation....
Curated OER
Blood Business
Students identify the different kinds of blood. In this biology lesson, students investigate the antigens, agglutinins and Rh factor using their own blood. They use Punnett squares to predict blood type of offspring.
Curated OER
Constructing a Phylogenetic Tree Using DNA Sequence Data
Students analyze DNA sequence differences between organisms in order to establish a reasonable picture of the evolutionary relationships between them. They take the role of molecular biologists and make genetic changes and constructing...
Curated OER
Island Biogeography and Evolution
Students use this activity as a logic problem that is based on real organisms and real data. The problem is to develop phylogenies for seven related populations of lizards living on the Canary Islands. Three phylogenetic charts are...
Curated OER
Protein Assays: Bio Rad and Page Gels
Students conduct the Biuret Test and the Bio Rad Protein Assay. They examine the spectrophotometer and graph molecular weights and the concentrations of the proteins investigated. They prepare solutions for the Bio-Rad test and use the...
Curated OER
Genetics 5 Technology
Students, after studying extraction and gel electrophoresis, recombinant DNA, transgenic organisms, and reproductive cloning, summarize the main concepts in DNA technology. They analyze the applications of DNA: forensics, medicine,...