The Required Number of Complexes of a Microbial Peptide and a Particular

question 3

Multiple Choice

The required number of complexes of a microbial peptide and a particular class II MHC allele on the surface of an antigen-presenting cell to initiate a T cell response specific for the viral peptide is:

• A)At least equal to the number of complexes of self peptides with class II MHC on the cell surface
• B)Greater than 10³
• C)Less than or equal to 0.1% of the total number of class II MHC molecules on the cell surface
• D)Greater than 10⁶
• E)Zero

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Definitions:

Competitive Situations

Scenarios where individuals or groups are in opposition, aiming to achieve goals that are mutually exclusive or incompatible.

Win-lose Situations

Scenarios in which one party's gain in a conflict or negotiation is directly correlated with another party's loss.

Concession

A concession is an adjustment or compromise made by one party in a negotiation, typically to reach an agreement or settle differences.

Two-dimensional Framework

An analytical model that uses two variables or axes to explore or map complex relationships or systems.