The Adaptive Immune System Is Capable of Mounting Specific Responses

question 38

Multiple Choice

The adaptive immune system is capable of mounting specific responses to particular microorganisms because

• A)stem cells determine which type of B and T cells to make.
• B)stem cells make different antigen receptors depending on the invading microorganism.
• C)lymphocytes are able to change their antigen specificity as required to fight infection.
• D)the body contains an enormous diversity of lymphocytes,each with the ability to respond to a different antigen.

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