The following graph represents a typical primary (A) and secondary (B) exposure
ID: 262253 • Letter: T
Question
The following graph represents a typical primary (A) and secondary (B) exposure to a pathogen and the immune response, represented by (a) and (b) 3(a) time (weeks) 1. What does the Y-axis (antibody titer) represent? 2. About how long does (a) last? 3. What type of white blood cell produces antibodies in (a) and (b)? 4. What are the type(s) of antibodies produced in (a)? 5. What are the type(s) of antibodies produced in (b)? 6. Why is the response in (b) so much higher than the response in (a)? 7. Does the response in (b) occur EVERY TIME you get exposed to the same pathogen twice? For EVERY PATHOGEN? Why or why not?Explanation / Answer
1. Y axis antibody title represent the amount of antibody produce /present after infection
2.a last up 7 to 14 day
3. natural killer cell produces antibodies in (a) and plasma cell in (b)
4. IgM types antibodies produce in (a)
5. IgG type antibodies produce in (b)
6.responce b is so much higher than a because response b is highly specific and produce by special plasma cells
7. Yes; response in b occurs every time when you get exposed to same pathogen twice, for every pathogen because in response b memory cells are produce for each pathogen and they activate immediately against same pathogen attack.
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