The Interaction Between CTLA-4 and B7 Leads To

question 3

Multiple Choice

The interaction between CTLA-4 and B7 leads to:

• A) Downregulation of T cell signaling
• B) Stabilization of the TCR/APC interaction
• C) B cell activation and generation of memory cells
• D) Production of proteins that regulate the cellular response to interleukin-2 (IL-2)

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Buyers are individuals or entities that purchase goods or services in the market.

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Per-Unit Tax

A tax that is imposed on a product based on a fixed amount per unit sold.