When in Its Life Cycle Does a B Cell First

question 55

Multiple Choice

When in its life cycle does a B cell first exhibit its particular surface antigen receptor?

• A)after the memory cell giving rise to it divides
• B)before it ever encounters an antigen
• C)after it encounters several antigens
• D)after it encounters a single antigen

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Definitions:

Equilibrium Price

The cost at which the amount of a product or service consumers want to buy matches the amount that manufacturers are willing to sell.

Equilibrium Quantity

The quantity of goods or services that is supplied is exactly equal to the quantity demanded at the equilibrium price.

Commodity X

A placeholder term for any generic, interchangeable good or service in economic analysis.

Demand Equation

A mathematical expression that relates the quantity demanded of a good to its price and other factors influencing demand, typically in the form of Qd = f(P, ...), where Qd is quantity demanded, P is price, and ... represents other determinants.