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Author Question: The first vaccine was designed to protect against: a. polio c. measles b. chicken pox d. ... (Read 23 times)

OSWALD

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on: Jul 21, 2018
The first vaccine was designed to protect against:
 
  a. polio c. measles
  b. chicken pox d. smallpox

Question 2

The antigen receptor on B cells belongs to which class of antibodies or immunoglobulins?
 
  a. IgD c. IgG
  b. IgE d. IgM


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BUTTHOL369

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Reply #1 on: Jul 21, 2018
Answer to Question 1

D

Answer to Question 2

A


OSWALD

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Reply 2 on: Jul 21, 2018
Wow, this really help

ttt030911

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Reply 3 on: Yesterday
Excellent

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