After a T_H Cell Has Bound to an Antigen-Presenting Cell,it

question 9

Multiple Choice

After a T_H cell has bound to an antigen-presenting cell,it releases cytokines that simulate B cells and T_C cells bearing receptors to the same antigen to divide.This is the _______ phase of the humoral and cellular immune responses.

• A) activation
• B) humoral
• C) effector
• D) cellular
• E) recognition

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