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

question 5

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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Definitions:

Pennsylvania Provincial Council

A governing body in colonial Pennsylvania, responsible for advising the governor and implementing policy.

Spanish Missions

Religious and military outposts established by Spanish Catholics during the colonial period, primarily in the Americas, aimed at converting Indigenous peoples to Christianity and extending Spanish territory.

Father Junipero Serra

A Roman Catholic priest and missionary who founded several missions in what is now California during the late 18th century.

Native Populations

Indigenous peoples who were the original inhabitants of a territory before colonization or annexation by foreign powers.