While B Cells and T Cells Differ Markedly in Their

question 7

Multiple Choice

While B cells and T cells differ markedly in their functions during an immune response, the two lymphocyte subsets share the enzymatic machinery and overall scheme for generating antigen receptor diversity. This is because:

• A) B cells and T cells recognize the same form of antigen expressed by an infecting pathogen.
• B) Animals with B cells developed first, and later evolving species then developed T cells.
• C) B cells and T cells both need enormous antigen receptor diversity to provide protection against the diversity of pathogens.
• D) Antibody and T-cell receptor gene segments are both flanked by similar recombination signal sequences.
• E) B cells and T cells both secrete their antigen receptor proteins after they are activated by antigen-binding.

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Definitions:

Moral Development

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Moral Leaders

Individuals who guide and influence others based on ethical principles and values.

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