Which One of the Following Statements About MHC-TCR Interactions Is

question 2

Multiple Choice

Which one of the following statements about MHC-TCR interactions is NOT true?

• A)Antigen receptors on T cells bind to MHC molecules for only brief periods of time.
• B)The affinity of most TCRs for peptide-MHC complexes is similar to the affinity of antibodies for their antigens.
• C)Only 1% or less of the MHC molecules on any antigen-presenting cell (APC)display a peptide recognized by a particular T cell.
• D)T cells usually require multiple engagements with an APC before a threshold of activation is reacheD.
• E)A subthreshold number of MHC-TCR interactions can lead to T cell inactivation.

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