BBC
Bbc Mundo: Decodificando a La Humanidad Del Adn
Learn about DNA and decoding the human genome by clicking graphical DNA models. You can also review a timeline that shows important moments in human genetics research. In Spanish.
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.
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....
Kansas State
Mutations, Mutagens and Dna Repair: Types of Mutations
Good explanation of the different types of mutations. Solid background on base-pair substitution.
Other
National Center for Biotechnology Education: Dna50: Cut Out Model
Students construct DNA base pairs using a template. The base pairs can be used to assemble a large-scale DNA strand for the whole class.
University of Utah
University of Utah: Learning Center: learn.genetics: Making Sn Ps Make Sense
Find out how tiny variations in DNA can help scientists predict humans' response to drugs or to disease risk.
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] In ths module, discover the structure of a single nucleotide and how that structure leads to the overall structure of DNA and RNA.
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.
BiologyWise
Biology Wise: Purines and Pyrimidines
Purines and pyrimidines are nucleotides. Their properties are described here and their differences are highlighted. Includes examples of each.
CK-12 Foundation
Ck 12: Biology: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of nucleic acids.
Khan Academy
Khan Academy: Rna: The Basics
A website reviewing over the basics of the RNA nucleotide.
Khan Academy
Khan Academy: Nucleic Acids
Discover the structure and function of DNA and RNA, and understand nucleotides and polynucleotides.
PBS
Pbs Learning Media: Life's Instruction Manual: Interactive Lesson: Unc Tv Science
The human genome serves as an instruction manual for life, with its own distinct letters, alphabet, sentences and chapters. Learn about the genome, nucleotides, DNA and genes with this interactive lesson.
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.
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.
McGraw Hill
Glencoe Biology: Molecular Genetics: Chapter Test Practice
Try these nineteen questions which serve as a chapter review over concepts in molecular genetics.
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.
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....
University of California
Ucmp: Island Biogeography and Evolution
This is a lesson designed by a biology teacher. In it, students use maps and evidence of island age, molecular genetics, morphology, and distance apart to determine how the islands came to be occupied by different species of lizards. It...
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...
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,...
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.