Sumanas
Sumanas Inc: Life: The Science of Biology: The Meselson Stahl Experiment
Follow Meselson and Stahl through their experiments to determine how DNA replicates.
National Health Museum
Access Excellence: Dna Replication
At this site from Access Excellence, a black and white graphic of DNA replication is shown.
National Health Museum
Access Excellence: Genes, Dna, and Mutations
A good Access Excellence site with an introduction to the processes of transcription and translation, leading to a student modeling activity.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Polymerase Chain Reaction
See how a polymerase chain reaction can produce millions of copies of a specific DNA sequence in a short period of time.
Estrella Mountain Community College
Online Biology Book: Control of Gene Expression
Online biology textbook illustrates the control of gene expression. Includes information on the role DNA plays in this study of science.
Cold Spring Harbor Laboratory
Dna From the Beginning: All Cells Arise From Pre Existing Cells
This animated explanation introduces the concept of mitosis by reviewing the research of Walther Flemming.
TeachEngineering
Teach Engineering: Restriction Enzymes and Dna Fingerprinting
The discovery of restriction enzymes and their applications in DNA analysis has proven to be essential for biologists and chemists. This lesson focuses on restriction enzymes and their applications to DNA analysis and DNA fingerprinting....
ClassFlow
Class Flow: Dna Replication
[Free Registration/Login Required] With this flipchart students will analyze how biological traits are passed on to successive generations.
John Wiley & Sons
Concepts in Biochemistry: Structure Tutorials
Learners explore the Biochemistry topic of deoxyribose nucleic acid (DNA). Topics examined are DNA replication, cloning, and fingerprinting. The resource consists of articles and animations and culminating questions.
Nature Research
Scitable: Nucleic Acid Structure and Function
Get an in-depth look at the importance of DNA with this library of information on nucleic acid structure and function. Understand the structure and function of DNA by exploring topics in the chemical structure of DNA, organization of DNA...
University of Arizona
University of Arizona: Problemas De Icidos Nucleicos Y Material Genetico
Learn the fundamentals of nucleic acids and how they experience the processes of replication and translation with the series of problems presented here. The correct answers have a brief explanation to reinforce the theories and incorrect...
PBS
Pbs Learning Media: Genetic Therapy and Breast Tumors
This video segment from the Secret of Life School Video: "On the Brink: Portraits of Modern Science" explores the genetics of breast cancer. [3:40]
Estrella Mountain Community College
Estrella Mountain Community College: Protein Synthesis
A look at protein synthesis in words and pictures. This website discusses the processes of replication, transcription, and translation. Also covered is Beadle and Tatum research that explains that one gene codes for one polypeptide....
McGraw Hill
Mc Graw Hill: How Cells Divide
Discover what you know about how cells divide through this post test.
TED Talks
Ted: Ted Ed: What Is Leukemia?
Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when the transformation goes wrong, harmful mutations can cause the cells to start...
CK-12 Foundation
Ck 12: Unit 5: Vocabulary
[Free Registration/Login may be required to access all resource tools.] Lists vocabulary terms associated with the structure, function, and replication of DNA.
CK-12 Foundation
Ck 12: Cell Division in Prokaryotes and Eukaryotes
[Free Registration/Login may be required to access all resource tools.] No matter what the cell, all cells come from preexisting cells through the process of cell division. This module provides an overview of cell division in prokaryotes...
CK-12 Foundation
Ck 12: Life Science: Mutations
[Free Registration/Login may be required to access all resource tools.] The process of DNA replication is not always 100% accurate. Sometimes the wrong base is inserted in the new strand of DNA. This wrong base could become permanent. A...
BiologyWise
Biology Wise: Binary Fission Steps
The steps in binary fission during asexual reproduction are explained in this resource.
CK-12 Foundation
Ck 12: Life Science: Mitosis and Cytokinesis
[Free Registration/Login may be required to access all resource tools.] During mitosis, the DNA in a nucleus must replicate. The copied DNA is divided into two genetically identical sets, so that after cytokinesis or cell division, each...
CK-12 Foundation
Ck 12: Biology: Cell Division
[Free Registration/Login may be required to access all resource tools.] An overview of cell division in prokaryotes and eukaryotes.
CK-12 Foundation
Ck 12: Life Science: Meiosis
[Free Registration/Login may be required to access all resource tools.] Sexual reproduction combines gametes from two parents. Gametes are produced by a special type of cell division known as meiosis. Meiosis contains two rounds of cell...
Khan Academy
Khan Academy: Telomeres and Telomerase
See how telomeres act as protective "caps" on the tips of eukaryotic chromosomes. Also learn how telomerase extends telomeres.