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.
Curated OER
Using a Controlled Experiment to Identify Two Unknown Plasmids
Student demonstrate knowledge of recombinant DNA techniques (restriction enzyme digest, gel electrophoresis, and staining gel). They demonstrate skills needed to complete a gel electrophoresis and interpret a stained gel. Pupils solve...
Kenan Fellows
Qualitative Kinetics: Examining the Effect of an Enzyme on a Reaction
Scholars learn about kinetics and buffers as they use qualitative and quantitative methods to understand enzyme rates and buffer capacity. The application of Beer's Law and spectrophotometry solidifies pupils' knowledge in the first of...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
Curated OER
Determining Cutting Site Locations
Learners explore DNA restriction mapping. They cut pieces of paper into lengths representing those produced when specific enzymes are used to cut a strand of DNA.
Curated OER
Enzyme Lab
High schoolers investigate the enzyme catalase. In this enzyme lesson plan, students observe a normal catalase reaction, they observe liver tissue, potato, chicken and apple for the enzyme catalase and they study the effects of...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
Curated OER
Dragon Genetics - Understanding Inheritance
Six pages begin with a detailed introduction to meiosis and homologous chromosome pairs. Instructions guide learners through a simulation in which they draw craft sticks marked with autosomes in order to decode the genes inherited by...
Curated OER
Catalase Enzyme
Young scholars design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
Curated OER
An Introduction to Four Groups of Biologically Important Compounds
Students learn about the four biochemicals that are important biologically. In this biochemicals lesson plan, students identify the four major groups of biochemicals including carbohydrates, proteins, lipids and nucleic acids. They are...
Curated OER
Innocent or Guilty: A Lab on DNA Gel Electrophoresis
Students use the prelab as an introduction to the importance of DNA fingerprinting- a form of identification that us being accepted by both scientific and leagl experts. They prepare a gel for electrophoresis. DNA fragments, which have...
Curated OER
DNA Detectives
In order to understand DNA fingerprinting, advanced biology aces divise a crime scenario and analyze three different samples of lambda DNA. This creative lesson plan provides practice with micropipettes, electrophoresis boxes, and other...
Curated OER
Enzyme Lab
Students examine the effects of specific enzymes on samples of liver tissue, muscle tissue (chicken), apples, and potatoes.
Curated OER
Yo! Gert-making yogurt
Young scientists or chefs culture yeast to produce yogurt. The materials and a general description of how make yogurt are provided, but there is very little detail otherwise. You could use this as an activity when your biology class is...
Serendip
Genetic Engineering Challenge – How Can Scientists Develop a Type of Rice That Could Prevent Vitamin A Deficiency?
Brown rice contains vitamins B and E, while white rice lasts longer in storage. The availability of rice around the world makes it a great candidate for genetic engineering. Scholars apply their knowledge of genetic engineering to solve...
Curated OER
Importance of Digestion
For this digestion worksheet, students complete statements using researched information about digestion and the digestive system. Students also sketch several figures that relate to digestion.
Curated OER
PROTOPLAST PRODUCTION
Students are allowed to strip away the cell walls of plants cells (using enzymes) and then observe the resulting spherical protoplasts (plant cells minus the cell wall). They see that plants cells indeed have a plasma membrane in...
Curated OER
ISOLATION OF DNA FROM ONION
Students perform a laboratory exercise designed to show how DNA can easily be extracted from onion cells. They conduct an optional test for the presence of DNA using standard lab equipment.
Curated OER
Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
Kenan Fellows
How Much Energy Is That Anyway?
The fifth lesson in the six part series introduces units of energy including calories, Calories, and joules. Scholars determine the energy released when eating a snack and during activity.
Kenan Fellows
How Much Heat Can a Phase Change Produce?
Scholars learn about heat release in phase changes. They perform calculations as they compare and contrast a science fiction passage and a home heating application.
Curated OER
The Great Cafeteria Caper
Students extract DNA from their own hair roots. They run an electrophoresis gel to examine patterns of their DNA along with standard DNA. The experiment is based on a crime scene scenario.
Towson University
Case of the Crown Jewels
Can your biology class crack the Case of the Crown Jewels? Junior forensics experts try their hands at DNA restriction analysis in an exciting lab activity. The lesson introduces the concept of restriction analysis, teaches pipetting and...
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...