Figure 45-1 ​ ​

question 3

Multiple Choice

Figure 45-1 ​

​
The response represented by the dashed line in the accompanying figure indicates a:

• A) secondary response to the initial antigen.
• B) primary response to the initial antigen.
• C) secondary response to an antigen distinctly different from the initial antigen.
• D) primary response to an antigen distinctly different from the initial antigen.
• E) secondary response equivalent to a primary response

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