Negative Selection Occurs When

question 8

Multiple Choice

Negative selection occurs when

• A)cells become positive for either CD4 or CD8 when they recognize either the MHC class I or class II molecule
• B)cells become negative for both CD4 or CD8 when they recognize either the MHC class I or class II molecule
• C)cells that recognize self-antigens are allowed to live
• D)cells that recognize self-antigens undergo apoptosis

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Food Stamps

A government-issued voucher program designed to help low-income individuals and families afford food.

Technological Change

The overall process of invention, innovation, and diffusion of technology or processes that often leads to significant improvements in productivity or efficiency.

Wage Gap

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