Curated OER
Forensic Files: A DNA Dilemma
Seventh-graders come in to science class to find a file on their desks detailing a crime to be solved! As a demonstration, you simulate the restriction of DNA samples and separate them by electrophoresis. From the gel, learners can...
Curated OER
Testing for Catalase Activity
For this catalase worksheet, students read about how enzymes work in cells. Then students conduct an experiment to test for catalase activity in potatoes. This worksheet has 1 graph and 6 short answer questions.
Curated OER
Conversion of Glucose to Fructose
In this enzymes worksheet, students conduct an experiment to show how enzymes can be used to convert glucose to fructose. This worksheet has 1 short answer question.
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...
Curated OER
Polymerization Experiments
High schoolers explain the process of polymerization. In this chemistry lesson, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
Curated OER
Lactose & Lactase
Students examine the characteristics of lactose and lactase. In this enzyme instructional activity students study the lactose in milk and its rate of dissolution.
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
Molecular Explorations
Students explain the processes for separating DNA from tissue and separating complex mixtures. In this exploratory lesson students complete a lab where they extract DNA.
Curated OER
Meat Processing
In this meat processing worksheet, students learn how nitrates are used as curing agents for meat and how tenderizers work. Students compare meat treated with nitrates with meat that has not been treated. Students complete 8 short answer...
Curated OER
Saliva Lab
In this saliva worksheet, students conduct an experiment to test how saliva breaks down starches. Students complete 6 short answer questions.
Curated OER
Protein Coagulation or Denaturation
In this proteins worksheet, students compare the coagulation of egg whites and milk proteins and then complete 5 short answer questions. A protein coagulation quiz is also included with 5 multiple choice questions.
Cornell University
Extracting DNA
Uncover the basics of DNA structure through exploration activities. Collaborative groups build DNA models and recreate the process of replication. Then, using plant cells such as peas or strawberries, they extract a DNA sample.
Beyond Benign
Exothermic and Endothermic Reactions
How can you tell the difference between endothermic and exothermic reactions? Chemistry scholars perform and observe two chemical reactions, measure the temperature throughout, then draw conclusions about changes in energy from their...
Curated OER
Gel Electrophoresis
High schoolers conduct a variety of experiments to explore gel electrophoresis. In this biology lesson, explain how this process separate DNA and RNA. They discuss the practical applications of this method.
Curated OER
Who Ate The Cheese?!
In this crime scene investigation worksheet, students simulate DNA sequencing and DNA restriction analysis using paper strips of DNA. Students compare the crime scene DNA to the suspects and determine who is guilty.
Curated OER
Proteins
Students conduct a variety of experiments to explore protein. For this biology lesson, students solve a mystery by testing for the presence of glucose, protein starch and triglycerides. They explain how DNA transcription and translation...
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
CELL TRANSFORMATION IN TOBACCO LEAF DISKS
Students work with whole plant material and are not required to measure small quantities, yet they can see evidence of transformed plant cells (plant cells that have genes from bacterial plasmids). This is a laboratory suitable for...
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
Lactose Intolerance
Students are taught how enzymes enable chemical reactions to occur a body temperature and how the lack of enzymes in the body can cause problems in the break-down and absorpion of nutrients. They match up different enzymes with the...
Curated OER
Biochemistry Quiz
In this biochemistry instructional activity, learners review amino acids, proteins, lipids, and carbohydrates. This instructional activity has 29 multiple choice, 8 fill in the blank, and 3 short answer questions.
Curated OER
Endocrine Histology Lab
In this endocrine histology lab, students examine prepared slides of various glands/ organs. Students identify each slide according to the key given and research materials. Students draw or sketch what is seen next to the appropriate...
Curated OER
Denaturing Proteins
Students investigate how to denature proteins. In this denaturing protein lesson plan, students explore the different ways to denature proteins in the lab. They use heat, acids and bases, organic compounds and heavy metals to denature...
Serendip
Genetics
A handout on genetic inheritance begins with a reading on alleles and how they can result in albinism. Junior geneticists learn to complete Punnett squares and participate in a coin toss simulation of allele pairing. They also learn...