How Is a T-Cell Receptor Different from a B-Cell Receptor

question 39

Multiple Choice

How is a T-cell receptor different from a B-cell receptor?

• A)T-cell receptors must have antigen broken down inside a cell and presented to them by a Major Histocompatibility Complex (MHC)molecule.
• B)B-cell receptors must have antigen broken down inside a cell and presented to them by a Major Histocompatibility Complex (MHC)molecule.
• C)T-cell receptors are composed of 4 protein chains (pieces),while B-cell receptors are composed of only 2 pieces.
• D)T-cell receptors are eventually secreted into the bloodstream by activated T-cells,whereas B-cell receptors are not; they always stay with the B-cell.

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