Stem Cells Are

question 449

Multiple Choice

Stem cells are:

• A) long, threadlike structures composed of twisted parallel strands of deoxyribonucleic acid.
• B) cells that can divide indefinitely, renew themselves, and give rise to a variety of other types of cells.
• C) cells that have mutated or spontaneously changed during transmission from one generation to the next.
• D) cells that have been damaged by environmental factors, such as exposure to ultraviolet light, radiation, or chemical toxins.

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Definitions:

Y-intercept

In a graph, it is the point at which the curve intersects the vertical axis, indicating the value when independent variables are absent.

Data

Data gathered for the purpose of reference or analysis.

Y-intercept

The point at which a line crosses the y-axis of a graph, reflecting the value of the dependent variable when the independent variable is zero.

Calculate

To determine the value or amount of something typically by mathematical processes.