• 2022-06-27 问题

    A<br/>given isotype of antibody is() A: A heavy chain variant encoded by allelic genes B: Genetic marker in different individuals within the species C: Present in all normal individuals in the same species. D: Epitopes located at the hypervariable region. E: Recognized by anti-idiotype antibody.

    A<br/>given isotype of antibody is() A: A heavy chain variant encoded by allelic genes B: Genetic marker in different individuals within the species C: Present in all normal individuals in the same species. D: Epitopes located at the hypervariable region. E: Recognized by anti-idiotype antibody.

  • 2022-06-01 问题

    A plasma cell has developed from a B cell. Compared to the cell from which it was derived, the plasma cell A: displays more pMHC Class II B: is a more efficient antigen presenting cell C: recognizes different epitopes D: releases soluble immunoglobulins E: undergoes more efficient isotype switching

    A plasma cell has developed from a B cell. Compared to the cell from which it was derived, the plasma cell A: displays more pMHC Class II B: is a more efficient antigen presenting cell C: recognizes different epitopes D: releases soluble immunoglobulins E: undergoes more efficient isotype switching

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