• In own words, describe the primary, secondary, tertiary, and quaternary structure of a protein.

• Take a look at Table 16.1, on page 549 of your text. Name an additional example (not listed in the table) for each of the classes of protein and how that protein functions to promote health and/or fitness in the human body.

• Define sarcopenia. What is the link between protein intake, exercise, and sarcopenia?