When a B Cell Is Exposed to an Antigen for the First

question 28

Multiple Choice

When a B cell is exposed to an antigen for the first time,

• A)the primary immune response occurs.
• B)the B cell divides to form plasma cells and T helper cells.
• C)the primary response takes 1-3 hours to produce enough antibodies to be effective against the antigen.
• D)B memory cells produce antibodies.
• E)both the primary immune response occurs and the B cell divides to form plasma cells and T helper cells.

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