Web Elements
Web Elements Periodic Table: Nitrogen
Lots of valuable information on nitrogen, its properties and some of its uses and compounds.
CK-12 Foundation
Ck 12: Life Science: Organic Compounds
[Free Registration/Login may be required to access all resource tools.] The main chemical components of living organisms are known as organic compounds and are built around the element carbon. Living things are made up of very large...
National Institutes of Health
National Center for Biotechnology Information: Amino Acid Explorer
Anything you need to know about amino acids is likely to be available in this learning tool. You can explore the properties, chemical structures, and functions of all twenty amino acids, analyze mutations, and more.
Khan Academy
Khan Academy: Biology: Macromolecules: Introduction to Proteins and Amino Acids
Learn the basics of peptide bonds and how different amino acids combine to form different proteins. Also discussed is the difference in function and structure of proteins.
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.
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: Amino Acids and Proteins
[Free Registration/Login may be required to access all resource tools.] In this module, students investigate amino acids, peptide bonds, and proteins. They also have the opportnity to discover the effect of an enzyme on a biochemical...
Utah Education Network
Uen: Amino Acids
Lesson explores scientific principles in using eggs as a highly nutritious and versatile food source of protein.
Chem4kids
Chem4 Kids: Twenty Amino Acids
Humans need amino acids to exist. Click on each of the necessary twenty listed to see their molecular structures and learn what type they are.
Science Buddies
Science Buddies: Solubility of Proteins
Some proteins are soluble in aqueous solutions and some are not. Insoluble proteins can be a problem because the proteins can form large aggregates in solution which are difficult to purify, crystallize, and use in experiments. Compare...
Science Education Resource Center at Carleton College
Serc: Building a Protein
This hands-on activity is an assessment of the students understanding of peptide and disulfide bonds formed during protein synthesis, and the structure of an amino acid (R-group plus the common structure that all amino acids share)....
Estrella Mountain Community College
Estrella Mountain Community College: Translation
For the section including translation, go to "the genetic code" chapter in the table of contents. This explanation includes diagrams and illustrations as well as a codon code table.
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.
Ohio State University
Ohio State University: Proteins and Nucleic Acids
This information can be used for exam review or as an introduction. It presents a good overview of the topics with charts, graphs, links, and a quiz.
Other
Fun Science Gallery: How to Extract Dna From Fruits
Detailed directions for experiment that allows you to extract DNA from a banana or other fruits or vegetables.
TED Talks
Ted: Ted Ed: Could Comets Be the Source of Life on Earth?
While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino acids, the building blocks of life on Earth. Justin Dowd explores the implications...
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.
Other
Cardiovascular Disease: Facts, Prevention, Treatment
This site discusses lifestyle changes, nutrients, and medical options and precautions.
Other
Hypertextbook: Large Molecules
This is a good, in-depth reference for the study of macromolecules in biology - lipids, proteins and carbohydrates. Includes images and links to other sources as well as a quiz for students to check understanding.
Other
Institute of Chemistry: Amino Acids
Clickable list of links to descriptions and models of 20 amino acids, including classification and structure.
Other
Virtual Chembook: Amino Acid Peptide Bonds
The formation of peptides is nothing more than the application of the amide synthesis reaction. By convention, the amide bond in the peptides should be made in the order that the amino acids are written.
Other
Virtual Chembook: Characteristics and Properties of Amino Acids
Each amino acid has at least one amine and one acid functional group as the name implies. The different properties result from variations in the structures of different R groups. The R group is often referred to as the amino acid side...
Other
World of Molecules: 3 D Structure Files
Investigate the three-dimensional structure of various molecules- both organic and inorganic.