Other
Chem Cases: Nutra Sweet: Physical and Chemical Properties
An in-depth look at the physical and chemical properties of aspartame, or NutraSweet.
National Institutes of Health
Ncbi: The Molecular Biology of the Cell: The Chemical Components of a Cell
Advanced chapter of the book "The Molecular Biology of the Cell" describes and provides illustrations of our most current understanding of the chemical makeup of cells and their components. Explains in detail how electron activity keeps...
BioEd Online
Bio Ed Online: What Is One Part Per Million Solution?
Substances dissolved in water can be present in very tiny amounts that are not visible to the eye. in this lesson students make a solution of food coloring with a concentration of one part per million.
OpenStax
Open Stax: Anatomy & Physiology: Body Fluids and Fluid Compartments
Learn about the chemical and physical characteristics of the fluids that make up the human body.