Curated OER
Polytene Chromosomes from Salivary Glands
High schoolers use this laboratory procedure to outline the mechanism by which salivary glands are removed and prepared so that the polytene chromosomes may be observed.Drosophila virilis is used instead of Drosophila melanogaster...
Curated OER
Genes and Chromosomes
In this DNA worksheet, students will review vocabulary about the structure and characteristics of DNA and the processes of replication and mutation. 3 true or false questions, 6 matching questions, 5 fill in the blank statements.
Curated OER
Cell Structure And Function
In this biology worksheet, students respond to 13 multiple choice questions related to cell structure and function. They identify which are microfilamets and which have a cell wall. Students also describe what chloroplasts are and their...
Biology Junction
Nucleic Acids
In this DNA instructional activity, students identify the different parts of the DNA and color them. They complete 16 short answer and fill in the blank questions on DNA.
Curated OER
Evidence of Evolution by Natural Selection: Testable Hypotheses #2
These slides will activate prior knowledge with real-life examples of natural selection. The predictions and outcomes for those examples are explained. Your students will like the information about the relevant chromosome tests that can...
Curated OER
The Cell Cycle: Cell Growth, Cell Division
Help your students understand cell division. Explore the topics of mitosis by examining the details of chromosomes at interphase, metaphase, anaphase, prophase, and telophase. Wonderful slides will keep your students' attention while...
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.
Curated OER
DNA Basics, Bacterial Cell Walls
Some basic descriptions of DNA and the appearance of structures in a bacteria are included along with great diagrams. The presentation has clear, but detailed slides, and your students will find the information about Gram staining easy...
Curated OER
DNA and Gene Expression
The many slides and images in this PowerPoint are clear and relevant to the detailed content covering the details of DNA structure, replication, cell differentiation, and mutation on an advanced level. The slideshow summarizes all of the...
Curated OER
DNA on Stick
Students experience a "hands-on" activity to get visual evidence of the physical nature of DNA and the process of DNA purification. They explore one method of chromosomal DNA isolation and DNA extraction.
Curated OER
Cells - The Basic Unit of Life
Introduce students to cells, and their many parts in this biology presentation. Students see that plant and animal cells have many of the same type of structures, but also have many differences as well. They will be challenged to state...
Curated OER
Genes
Learners discuss the difference between a gene, DNA, chromatid, and chromosome. They predict how changes in chromosome number or structure affect development. Students discuss what causes genetic disorders. They view a PowerPoint that...
Curated OER
What Do Genes Look Like?
Seventh graders describe the basic structure of the DNA molecule. They identify what an inherited trait is and how it can be determined by one or more genes. Finally, 7th graders identify that plant and animal cells contain several...
Curated OER
Gene Action and Mutation
Students review terms related to DNA structure and function. They complete a variety of worksheets in small groups or in pairs reflecting the unit's concepts regarding DNA. They submit their worksheets for grading.
Curated OER
Homologous Shoes
Students examine the concept of homology by observing their shoes and those of their classmates. They summarize the observations of everyone's shoes relating it to chromosomes in cells. They share their observations with the class.
Curated OER
Chromosomes and Genes in Action: Microviewer
In this chromosomes activity, students understand the make up of a DNA molecule and compare the different ways chromosomes are connected. This activity has 35 fill in the blank questions and 6 drawings.
California Academy of Science
Color Vision Genetics Evolution Simulation
At one point, all mammals carried only two color receptors, but now most humans carry three. An informative presentation and hands-on activity demonstrate how this evolved through genetics. By participating in the activity, pupils...
Curated OER
DNA and Cell Reproduction
These slides have lovely images to illustrate the Double Helix and replication. The specifics of chromosomes within cells and the numbers and structure during different stages of cell replication are explained.
Curated OER
DNA
The question of the structure and function of DNA being the same in almost all organisms is raised here. You will find this PowerPoint a great summary of the building blocks and replication of DNA. The differences between prokaryotes and...
Curated OER
Science Jeopardy
Make reviewing evolution, cell division, genetics, cell structure, and scientific method more fun! Science Jeopardy allows teams to choose a category for the question they will address. If you complete the entire game, learners will have...
Curated OER
Prokaryotes
Although these slides are text rich, the summaries of prokaryote characteristics will be useful. There are diagrams of preferred cell conditions and your students will find all the basic definitions of structure and functions useful. ...
Curated OER
Cellular Transport and the Cell Cycle
With a multitude of questions, this worksheet offers learners the opportunity to review their knowledge about the cell cycle. Question types include true/false, word bank, and completing a table about the differences between interphase...
Curated OER
Teacher Preparation Notes on Genetics
Students explore genetics through various hands-on activities. In this biology instructional activity, students predict the probability of offspring genotypes and phenotypes using the Punnett Square. They explain the causes of genetic...
Curated OER
Cell Growth and Division
In this biology worksheet, 9th graders label the diagrams with the appropriate phase of mitosis illustrated. Then they explain why skin cell undergo mitosis continuously. Students also explain why mitosis is a form of asexual reproduction.