Contact with Antigen and Activation of B Cells Normally Occurs

question 10

Multiple Choice

Contact with antigen and activation of B cells normally occurs in the:

• A) peripheral blood.
• B) connective tissue.
• C) thymus.
• D) lymph nodes.

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Definitions:

Independent Variable

In experimental research, the variable that is manipulated by the researcher to examine its effect on the dependent variable.

Experimental Study

A research method where the researcher manipulates one variable to determine if it causes a change in another variable, within a controlled environment.

Dependent Variable

The variable in an experiment that is expected to change as a result of changes made to the independent variable.

Observational Evidence

Information and data gathered through observing phenomena without manipulating variables, often used in studies where controlled experiments are not feasible.