Which of the following terms is not associated with cellular theories of aging?
a. Hayflick limit
b. free radicals
c. cholesterol buildup
d. cross-linking
Question 2
Cross-linking is a process in which certain proteins in human cells interact randomly and produce molecules that are linked in such a way that they make the body stiffer. Which theoretical perspective does cross-linking represent?
a. programmed-cell-death theory
b. free radical theory
c. telomerase theory
d. cellular theory