Final answer:
The scenario described is an example of a functional group, where people meet to discuss a specific topic or function. The correct answer is option e.
Step-by-step explanation:
The given scenario, where Matt, Linda, and Troy meet during their lunch break to discuss the latest research in biomedicine, is an example of a functional group. A functional group is a type of group formed within an organization that is created to fulfill a specific task or function. In this case, the function of the group is to discuss the latest research in biomedicine.