Curated OER
Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.
Howard Hughes Medical Institute
Winogradsky Columns: Microbial Ecology in the Classroom
Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....
Curated OER
The Four Groups of Biologically Important Compounds
This is not they typical set of teacher instructions. It is an organized chart of the important organic compounds. For each, the involved elements, the name of the building block monomers, the names of polymers, extra information, and a...
Teach Engineering
Body Full of Crystals
Your body has lots of crystals, just not any gemstones. The first installment of a three-part unit provides a PowerPoint presentation on crystallization occurring in the human body and about crystallization in general. The resource gives...
Curated OER
Biochemical Placemats
Students group various foods according to whether they are proteins, carbohydrates, or lipids. This activity is a multisensory way of introducing students to biochemistry. Students also learn how icons represent the molecular composition...
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.
National Center for Case Study Teaching in Science
Breast Cancer Risk
How does one determine whether or not someone is at risk for breast cancer? Find out through a comprehensive case study involving two readings and a group activity in which learners assess four women's potential for acquiring the...
Curated OER
Antigens
Students examine antigens including ones found in humans. For this immune lesson students complete several experiments in relation to antigens and antibodies.
Curated OER
Characterization of the Bioluminescence (Lux+) Gene E. coli
Students grow E. coli strain HB101, which contains the plasmid pUCD607 with the bioluminescence (Lux+) gene. The plasmid containing the Lux+ gene is isolated from the E. coli, then characterized by restriction analysis.
Curated OER
Dinosaur and DNA Days
Biology stars extract DNA samples from beef thymus and then examine its properties. They use enzymes to digest the DNA samples, and then use electrophoresis to separate fragments. Finally, they discuss methods and principles of...
Curated OER
Food Forensics: A Case of Mistaken Identity
Ninth graders explore the specific reaction between an antigen and the antibody that recognizes it. They carry out an exploratory experiment leading to the concept of specificity.
Curated OER
Life's Big Questions: Where Did Life Come From?
Young scholars explore the life forms that live in the hot springs of Yellowstone. They examine how microscopic creatures can survive in these extreme conditions. Students perform experiments to observe growth samples and demonstrate...