Students read different definitions of "acids" and "bases." In an interactive exercise, they identify if a substance is an acid or a base.
Students read about the process of hair growth beginning with the joining together of amino acids.
In this animated object, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.
Learners read this review of chemical hair bonds after completing learning objects on the peptide, disulfide, salt, and hydrogen bonds. Students may e-mail their quiz answers to their instructor.
In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.
In this animated object, learners read an introduction to protein structure and function.