Howard Hughes Medical Institute
Hhmi: Bio Interactive: Understanding Sequence Assembly
A series of lecture clips helps explain how DNA sequencing is done by using the analogy of shredding multiple copies of a book and then reassembling the text by finding overlapping fragments. The ultimate goal of DNA sequencing is to...
National Health Museum
Access Excellence: Making a Phylogenetic Tree Lesson Plan
Constructing phylogenetic trees may be a daunting task for students, but this lesson plan is a simulation of what molecular biologists must do to determine relationships. This plan is for students who have a good grasp of DNA structure...
CK-12 Foundation
Ck 12: Biology: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Discusses the structure and role of nucleic acids.
BioMan Biology
Bio Man Biology: Life Chemistry Quizzes
Two multiple-choice quizzes, one on the processes and types of biological molecules, the other on the structure and replication of DNA.
PBS
Pbs Teachers: Lost Tribes of Israel, Dna
Investigate how fingerprinting works, determine what sorts of evidence and questions are important in deciding a court case and understand the issues involved with using DNA evidence in a courtroom trial.
Concord Consortium
The Molecular Logic Database: Mutations: Changing the Genetic Code
Students will learn about the different types of mutations and how they work. They will compare the effect of these different types of mutations in DNA, including nucleotide substitution, nucleotide insertion, and nucleotide deletion....
Kansas State
Mutations, Mutagens and Dna Repair: Types of Mutations
Good explanation of the different types of mutations. Solid background on base-pair substitution.
BiologyWise
Biology Wise: What Is a Stop Codon?
A stop codon is a nucleotide triplet in messenger RNA that signals the end of a protein during the translation process. Read about how this works, the different types of stop codons, and how a mutation can sometimes occur.
Other
Digital World Biology: Blas Ting Through the Kingdom of Life
Use BLAST to identify unknown sequences. GenBank contains over 3 million sequences, with over 14 billion nucleotides. BLAST can be used to compare an unknown sequence to all the sequences in the database, and find sequences that match....
PBS
Pbs Teachers: Cracking the Code: Explore a Stretch of Code
Investigate the makeup and function of genes and genetic code by exploring an actual stretch of human DNA in this activity.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Materia Viva 2 Bachillerato
In this unit you can read about the molecules that compose us and understand their biological functions. It includes 18 interactive activities.
Sophia Learning
Sophia: Mutations
A webpage briefly explaining how a mutation in DNA and RNA can cause the wrong protein to be synthesized. Understand that DNA & RNA are long string of nucleotides that codes protein. The mutations shown include deletion, duplication,...
BiologyWise
Biology Wise: Start Codon
A start codon is a nucleotide triplet in a genetic sequence that occurs at the start of a protein's synthesis. Read about how this works and how a mutation can sometimes occur.