The Second Signal Required for T_C Activation Is

question 19

Multiple Choice

The second signal required for T_C activation is

• A) binding of a CD28 molecule on the T cell to a B7 protein on an antigen-presenting cell.
• B) secretion of the cytokine IL-2 from a T_H1 cell.
• C) binding of a CD8 molecule on the T cell to an antigen-MHC I complex on an antigen-presenting cell.
• D) secretion of the cytokine IL-1 from a T_H0 cell.

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Definitions:

Prospect

An identified individual who may have an interest in a company's offerings, either a product or a service.

Event Planner

A professional responsible for organizing and coordinating all aspects of events, such as meetings, conferences, and social gatherings, ensuring they run smoothly.

Spontaneity

The quality of being unrehearsed or unpremeditated, often leading to genuine and immediate reactions or actions.

Persuasive Powers

The ability to convince others to adopt a certain perspective, belief, or to make a decision in one's favor through argument or appeal.