Costimulatory Signals Are Required to Achieve Optimal T-Cell Activation (Via

question 26

Multiple Choice

Costimulatory signals are required to achieve optimal T-cell activation (via exposure to antigen) and are considered part of which of the three steps essential to this process?

• A)Signal 1
• B)Signal 2
• C)Signal 3
• D)Both signal 1 and signal 2
• E)Both signal 2 and signal 3

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Definitions:

WARP

An abbreviation for the Weak Axiom of Revealed Preference, a concept in economics that relates consumer choice to their preferences.

Bundle

A combination of goods or services that is considered together as a single composite good.

Laspeyres Price Index

An index used to measure the change in the cost of purchasing a fixed basket of goods and services over time, using the prices from the base period as weights.

Base Year

A specific year against which economic or financial data is compared, often used to calculate indices or real growth rates.