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.
Cold Spring Harbor Laboratory
Dna Learning Center: Dna Molecule, Dna Unzip
The DNA double helix contains two sequences of nucleotide code letters than run along the molecule. Untwist the spiral and DNA can be seen as two parallel strands. That's why its sometimes called the double helix. Unzip the strands and...
University of Missouri
University of Missouri: Biotech Adventure: Dna Structure
DNA Helix, DNA structure, DNA bases, Nucleotides, strands of DNA, Bonding in DNA, and bonding between bases are the topics delved into in this thorough site.
Khan Academy
Khan Academy: Test Prep: Mcat: Biomolecules: Dna: Dna Structure and Function
Provides detailed explanation of DNA's structure and function. Includes illustrations.
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.
TeachEngineering
Teach Engineering: Dna: The Human Body Recipe
As a class, students work through an example showing how DNA provides the "recipe" for making our body proteins. They see how the pattern of nucleotide bases (adenine, thymine, guanine, cytosine) forms the double helix ladder shape of...
CK-12 Foundation
Ck 12: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] Module describes how DNA's structure and function was discovered while summarizing the process of DNA replication. This activity also explains Chargaff's rules and...
PBS
Pbs Learning Media: Journey Into Dna
Travel deep into the human body to see exactly where your DNA resides. From the NOVA: Cracking the Code of Life Web site.
CK-12 Foundation
Ck 12: Life Science: Transcription of Dna to Rna
[Free Registration/Login may be required to access all resource tools.] DNA is located in the nucleus. Proteins are made on ribosomes in the cytoplasm. Remember that information in a gene is converted into mRNA, which carries the...
Estrella Mountain Community College
Online Biology Book: Dna and Molecular Genetics
Microscopic images, detailed information, and illustrated diagrams help explain DNA and molecular genetics in this college-level textbook.