Use the graph in Figure 43.1 to answer the following questions.

Figure 43.1
-When would memory cells be produced?
A)between 0 and 7 days
B)between 7 and 14 days
C)between 28 and 35 days
D)between 35 and 42 days
E)both A and C

Question

Use the graph in Figure 43.1 to answer the following questions.
  
Figure 43.1
-When would memory cells be produced?
A)between 0 and 7 days 
B)between 7 and 14 days 
C)between 28 and 35 days 
D)between 35 and 42 days 
E)both A and C

Quizplus · Accepted Answer

Memory cells are produced during both the primary and secondary immune responses. In the primary response, memory cells are produced between 0 and 7 days after exposure to an antigen. In the secondary response, memory cells are produced between 28 and 35 days after exposure to an antigen.

Use the Graph in Figure 43