IL-2 Is Produced by One Cell,and the Same IL-2 Stimulates

question 2

Multiple Choice

IL-2 is produced by one cell,and the same IL-2 stimulates that same cell.This type of cytokine activity is called:

• A) autocrine.
• B) paracrine.
• C) endocrine.
• D) pleotropic.

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Definitions:

Activity Level

Pertains to the volume or quantity of work performed or services provided, often related to the operational capacity of a business or project.

Relevant Range

The range of activity or volume over which the assumptions about fixed and variable cost behavior are valid.

Variable Costs

Costs that change in proportion to the level of production or business activity.

Committed Fixed Costs

Expenses that a company has committed to pay over a period, which do not vary with the level of production or sales.