All of the Following Protein-Protein Interactions Are Involved in Activation

question 3

Multiple Choice

All of the following protein-protein interactions are involved in activation of naive helper T cells by antigen-presenting cells (APCs) EXCEPT:

• A)Binding of peptide-MHC complexes on the APC to the TCR on the T cell
• B)Binding of CD4 on the T cell to nonpolymorphic regions of class II MHC molecules on the APC
• C)Binding of integrins on the T cell with adhesion ligands on the APC
• D)Binding of B7-2 on the APC with CD28 on the T cell
• E)Binding of CD40L on the T cell with CD40 on the APC

---

Definitions:

Contradictions

Statements or propositions that are logically opposed to each other, indicating inconsistency or a lack of agreement.

Behavioral Psychologists

Specialists in the field of psychology who study and analyze how human actions are influenced by the external environment.

Desired Behaviors

Actions or responses that are sought after either by an individual or within a society as beneficial or ideal.

Self-concept

An individual's perception of themselves, encompassing beliefs, attitudes, and feelings about one's own identity and abilities.