The Term Clonal in Clonal Selection Refers to the Fact

question 47

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 cytotoxic T cells that are specific for the same antigen.
• D) once activated,a specific lymphocyte divides mitotically,producing identical copies of itself.