A study drew some conclusions about the health benefits of drinking coffee.
Would the same health benefits be expected for people who drink caffeinated tea?

a) Not necessarily; coffee and tea contain many different compounds.
b) Not necessarily; it could depend on the study population.
c) Not necessarily; coffee and tea contain many different compounds, and it could depend on the study population.
d) Yes; both coffee and tea are caffeinated beverages.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.