Proteins, levels of Structure, Non-covalent Forces, excerpt 2
Professor Walker explains the categories of amino acids, the levels of protein structure, the bonds and forces in each level, and how they can influence protein structure.
A teaching assistant explains the process of transformation and protein expression, using the example of human insulin expressed in bacterial cells.
A teaching assistant explains the polymerase chain reaction (PCR), and examples of its common uses.
A teaching assistant works through a practice problem on pedigree charts.