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TLS Online TPP Program

#Question id: 2044

Antibodies specific for different epitopes on the same antigen:

#XL - S Microbiology

  1. Will usually bind to each other through idiotypic interactions

  2. Cannot bear similar idiotypes

  3. Can bear similar idiotypes independently of their antigenic specificity

  4. Can only bear similar idiotypes if the antigenic epitopes cross-react

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TLS Online TPP Program

#Question id: 1754

#XL - Q Biochemistry

High affinity B-cell clones in mammals are usually generated by:
TLS Online TPP Program

#Question id: 1755

#XL - Q Biochemistry

Prior to class switching, B-cells express:
TLS Online TPP Program

#Question id: 1756

#XL - Q Biochemistry

Which of the following is the cytokine that is most involved in the class switch to IgE production?
TLS Online TPP Program

#Question id: 1757

#XL - Q Biochemistry

What is the first event following the production of CH germline transcripts by immunoglobulin genes?
TLS Online TPP Program

#Question id: 1758

#XL - Q Biochemistry

The specificity of antibody secreted by a B-cell may not be the same as that of the surface Ig of the clonal parent because of:
TLS Online TPP Program

#Question id: 1759

#XL - Q Biochemistry

What is the major long-term source of a foreign antigen in the body?