Sophia Learning
Sophia: Dna vs Rna: Lesson 1
This lesson will show the difference in structure between deoxyribonucleic acid and ribonucleic acid. It is 1 of 4 in the series titled "DNA vs RNA."
Cold Spring Harbor Laboratory
Dna From the Beginning: Rna Was the First Genetic Molecule
RNA is now considered to be the first molecule that could transmit information. This article looks at the scientists and experiments that developed this idea. Article includes animations, pictures, video, biographical information, and...
PBS
Nova: Picturing the Molecules of Life
Retrace the development of our knowledge of nucleic acids by viewing pictures of nucleic acids (both DNA and RNA) taken in 1952, 1973, 1979, 1980, 1984 and 2001.
McGraw Hill
Glencoe Biology: Dna, Rna, and Protein: Self Check Quiz
Try this quick, five question comprehension check over DNA, RNA, and protein. Each question has a hint available, as well as a self-checking feature.
Khan Academy
Khan Academy: The Rna Origin of Life Quiz
Try this quiz about RNA and the origin of life.
Nature Research
Scitable: Gene Expression and Regulation
Investigate gene expression with this collection of resources that explains how DNA is expressed to make RNA, how genes are turned "on" and "off", and what must occur for transcription to happen. The webpage explores gene expression by...
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Transcription & Translation: Rna Splicing
See how DNA is transcribed into RNA and spliced to remove non-coding regions, leaving only the protein-coding regions, called exons. [1:37]
Science Buddies
Science Buddies: Forensic Science: Building Your Own Tool for Identifying Dna
When biologists want to separate different pieces of DNA, RNA, or proteins they use a technique called gel electrophoresis. In this science project you'll build a gel electrophoresis chamber and use it to discover how many components are...
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.
University of Utah
University of Utah: Genetic Science Learning Center: The Basics and Beyond
This website offers a clear definition of the science of Genetics, highlighting DNA and genes. There is a neat, easy-to-understand animated tour of the basics and an opportunity to go inside an animated cell. Student can build a DNA...
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Transcription Translation: Transcription Advanced
Visualize the main driving force behind molecular biology, where DNA makes RNA, and RNA makes protein. [1:53]
Cold Spring Harbor Laboratory
Dna From the Beginning: The Rna Message Is Sometimes Edited
The discovery that mRNA is not an exact copy of the DNA is the topic of this section from the DNA Learning Center. This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are...
New York University
Model of the Four Nucleotide Bases in Rna
The 3-D model of Cytosine (C), Uracil (U), Adenine (A), and Guanine (G), the four nucleotide bases in RNA. Requires the CHIME plug-in to view the models, or they can be viewed statically in .gif format
Dartmouth College
Dartmouth College: Epidemic: Rna Viruses
A good page devoted to the RNA family of viruses that differ slightly from standard DNA viruses. Discusses the difference and characteristics of such viruses.
Nobel Media AB
The Nobel Prize: Severo Ochoa Biographical
Read about the 1959 co-recipient of the Nobel Prize in Physiology -- Severo Ochoa -- who contributed to the "discovery of the mechanisms in the biological synthesis of ribonucleic acid and deoxyribobucleic acid."
Nobel Media AB
The Nobel Prize: Severo Ochoa Nobel Lecture
At this site download and read Severo Ochoa's Nobel Lecture entitled "Enzymatic synthesis of ribonucleic acid," which was originally given December 11, 1959. Lecture is available in pdf format.
BiologyWise
Biology Wise: Codon Chart
Explains the workings of the codon translation chart which provides the keys to the structure of amino acids. Includes a widget where one can input a nucleotide triplet combination and see which amino acid it represents. Includes RNA and...
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.
Bryn Mawr College
Serendip: From Gene to Protein Transcription and Translation
Brief text summary of what students learn in the Dragon Genetics II lab along with links to download Student Handouts in PDF and Word formats, and Teacher Preparation Notes in PDF format. Students use paper models to learn transcription...
Cold Spring Harbor Laboratory
Dna From the Beginning
At DNA from the Beginning, choose from classical genetics, molecules of genetics, genetic organization and control. Each concept is explained through animation, an image gallery, video interviews, biographies and links.
BiologyWise
Biology Wise: The Northern Blot vs. Southern Blot Technique
The Northern blot and the Southern blot are two methods used to analyze DNA and RNA. Each technique is described, its purpose, and the methodology. A table comparing features of each is provided.
Nobel Media AB
The Nobel Prize: How to Crack the Code
Through a series of illustrations, learn about the physical carriers of inheritance. Discover facts about DNA, the blueprint of life, and RNA, the blueprint copy.
City University of New York
Brooklyn College: Genotype and Phenotype
In this informative site, you will find the definition of genotype and phenotype, an explanation of the relationship between genotype and phenotype, an example of a genetic trait, an explanation of the flow of information from DNA to...
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.