B Cell Receptors Differ from T Cell Receptors in That

question 48

Multiple Choice

B cell receptors differ from T cell receptors in that _______.

• A) B cell receptors are comprised of four polypeptides, whereas T cell receptors have only two polypeptides in their quaternary structure
• B) B cell receptors have two antigen binding sites, whereas T cell receptors have only one antigen binding site
• C) B cell receptors are immunoglobulin in nature, whereas T cell receptors are not immunoglobulin molecules
• D) B cell receptor immunoglobulins can be secreted as antibodies, whereas T cell receptors are never secreted
• E) All of the choices represent differences between B cell and T cell receptors.

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