How Is the Central Portion of a T Cell Receptor

question 51

Multiple Choice

How is the central portion of a T cell receptor complex functionally analogous to the center of the B cell receptor complex?

• A) It has two protein chains, just like a B-cell receptor.
• B) Both receptors bind epitopes (small amino acid sections of antigen molecules).
• C) Both bind structures directly on the surface of microbes.
• D) Both can be secreted from lymphocytes to bind to pathogens under certain situations.
• E) Both have two heavy chains and two light chains.

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