"Cluster of Differentiation" Refers To

question 19

Multiple Choice

"Cluster of differentiation" refers to:

• A) a category of cell surface proteins used to identify cell types.
• B) aggregates of differentiating stem cells.
• C) groups of antigens that identify a cell as foreign.
• D) the cells that congregate in germinal centers.

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Definitions:

Longitudinal Design

A research strategy where participants are followed and repeatedly assessed over a period of time to observe changes and development.

Motor Skills

Abilities required to perform movements and tasks using various parts of the body, including controlling fine and gross motor movements.

Nature Versus Nurture

A debate concerning the relative importance of an individual's innate qualities (nature) versus personal experiences (nurture) in determining or causing differences in physical and behavioral traits.

Teratogens

Harmful agents in the prenatal environment, which can have a negative impact on prenatal development or even cause birth defects.