Curated OER
Determination of Phylogenetic Relationships Using Restriction Analysis
Students applied various mathematical analyses to interpret their data. By using the resulting DNA fragment patterns from several enzymes students established a possible evolutionary relationship among the mice.
Curated OER
COMPARISON OF FOUR-, SIX-, AND EIGHT-bp CUTS IN CALF THYMUS DNA
Students use this laboratory exercise, restriction enzymes to recognize a four-, six-, and eight-nucleotide sequence. Assuming that the four component nucleotides (A, C, T, G) are distributed randomly within a DNA molecule, then any...
Curated OER
Ethyl Alcohol
In this ethyl alcohol activity, students read about the characteristics of ethanol including the effects it has on the body when ingested and digested. This activity has 2 short answer questions.
Curated OER
Saliva Lab
In this saliva learning exercise, students conduct an experiment to test how saliva breaks down starches. Students complete 6 short answer questions.
Curated OER
Ingestion
In this ingestion instructional activity, 9th graders fill in the blank about ingestion. Students relate the role of saliva, teeth, and the esophagus to their importance in ingestion.
Curated OER
The Cloning of Plasmid and Spinach DNA
Young scholars will first extract genomic DNA from spinach and perform a restriction enzyme digestion on both the spinach DNA and the plasmid using the same restriction enzyme. They then ligate the cut plasmid DNA with the cut spinach...
Curated OER
Cloning of Plasmid and Spinach DNA
Young scholars ligate fragments of genomic DNA from spinach into a vector plasmid. They perform a restriction enzyme digestion. Student use a ligated DNA molecule to transform E. coli cells. Students analyze their procedures and...
Curated OER
Comparison of Four-, Six-, And Eight-bp Cuts in Calf Thymus Dna
Young scholars investigate the use of restriction enzymes to recognize a four-, six-, and eight-nucleotide sequence. They utilize restrictive endonucleases to cut Thymus DNA and compare results by viewing the DNA fragments on Agarose Gel...
Curated OER
Selecting Soil Organisms in Compost
Students conduct an experiment to demonstrate that many of the enzyme systems needed to break down society's wastes exist in nature among the decomposers in a compost pile. They culture compost bacteria on starch agar to examine the...
Curated OER
Selecting Soil Organisms in Compost
Students demonstrate that many of the enzyme systems needed to break down--and therefore clean up-society's wastes already exist in nature among the decomposers. They select the best starch-munching organisms by altering the environment...
Curated OER
Tour of the Cell 2
As your class views each slide, they will be introduced to the organelles and structure of the cell. Details about structure and function are given and also some trivia about their frequency and population. There is also some...
Biology Junction
Cellular Structure
The human body contains more than 200 types of cells, and plants contain many other unique types of cells. While a huge variety of cells exist, they appear to have very similar structures. A detailed presentation describes the structure...
Cold Spring Harbor Laboratory
A Gene Is Made of DNA
Does a protein or DNA store genetic instructions for life? Follow the research from the 1920's experiments on mice through the 1940's experiments on bacteria to learn the answer to the difficult question. Scholars use an online...
Curated OER
Cell Respiration Worksheet
Beginning biologists demonstrate their grasp on cellular respiration, photosynthesis, and energy flow though ecosystems when completing this worksheet. Fifteen multiple choice and short answer questions test their knowledge. Because of...
Curated OER
Tour of the Cell 1
Each of these slides deals with an individual organelle and displays a diagram along with labels of the structures. The most useful components of this slideshow are the summaries of functions and descriptions of how the organelles are...
Curated OER
Kingdom: Fungi
The general characteristics of fungus types are presented here. Your class will love the pictures of the amazing features found on these strange living things. The internal and external structures and their functions are highlighted. By...
Curated OER
Kingdom: Fungi
The general characteristics that affect classification of fungi and other organisms in the domain Eukarya are detailed for the students on 12 attractive slides. Teachers can access individual slides to cover life cycles or diversity, or...
Curated OER
Fungi
The general characteristics that affect the classification of fungi and other organisms in the domain Eukarya are detailed on 12 attractive slides. Teachers can access individual slides to cover life cycles or diversity, or can use the...
Curated OER
Non-nutrients: Fiber and Water
Students will identify the sources and function of carbohydrates and fiber and apply appropriate food preparation techniques.
Curated OER
Hand Writing: Three Letter Words
In this printing practice worksheet, learners trace, form, and print three letter words. Students practice printing ten separate words.
Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
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.
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
Control of Prokaryotic (Bacterial) Genes
A nicely formatted set of slides that logically follow and define the structure and function of the genes in Bacteria. The repressor proteins and other gene regulators are listed and diagrams support the explanations of their function on...
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