The Term Clonal in Clonal Selection Refers to the Fact

question 19

Multiple Choice

The term clonal in clonal selection refers to the fact that

• A)a lymphocyte can be easily converted into a stem cell line for laboratory research.
• B)a single activated B cell produces many identical copies of the antibody, which react to the antigen that activated the B cell.
• C)an activated B cell can convert itself quickly into helper and killer T cells that are specific for the same antigen.
• D)once activated, a specific lymphocyte makes many identical copies of itself.

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