Binding of _____ to _____ Induces T-Cell Proliferation and Differentiation

question 4

Multiple Choice

Binding of _____ to _____ induces T-cell proliferation and differentiation of activated T cells.

• A)CD4; MHC class II
• B)CD28; B7
• C)LFA-1; ICAM-1
• D)IL-2; the high-affinity IL-2 receptor
• E)IL-2; the low-affinity IL-2 receptor.

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Definitions:

Deadweight Loss

A reduction in economic productivity occurring when there is no achievement of equilibrium for a good or service.

Marginal Revenue

The enhanced income derived from peddling an additional unit of a product or service.

Marginal Cost

The increase in total cost that arises from producing one additional unit of a good or service, a critical factor in economic decision-making.

Predatory Pricing

Practice of pricing to drive current competitors out of business and to discourage new entrants in a market so that a firm can enjoy higher future profits.