When a Macrophage Presents an Antigen with an MHC-II Protein

question 27

Multiple Choice

When a macrophage presents an antigen with an MHC-II protein,

• A) it interacts with helper T cells.
• B) it interacts with helper T cells and cytokines are released.
• C) it interacts with B cells.
• D) it interacts with cytotoxic T cells and cytokines are released.

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Definitions:

Demographic Processes

Refers to the dynamic changes through which populations evolve, including mortality, fertility, and migration.

Population Growth

The growth in a population's size, determined by variables such as rates of births and deaths, along with immigration and emigration levels.

Demographic Trends

Observable patterns in population dynamics over time, such as changes in birth rates, death rates, migration, and aging.

Collective Behavior

Actions and reactions of a group of people in situations that do not conform to societal norms, often in response to an event that precipitates collective activity.