When It Is Important to Count the Number of Cells

question 20

Multiple Choice

When it is important to count the number of cells, determine cell size, and differentiate between dead and live cells, a/an ______ is used.

• A) methylene indicator dye
• B) Coulter counter
• C) flow cytometer
• D) SEM
• E) spectrophotometer

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Definitions:

Controllability

The degree to which an individual can influence or manage the outcomes or conditions in their life or environment.

Predictability

The extent to which future events are predictable based on present or past information.

Conservation

In psychology, the concept that a child recognizes that quantity does not change with physical rearrangement; in environmental science, the protection of natural resources.

Public Commitments

Decisions or promises made in a public setting, which are more likely to be upheld due to the added pressure of social accountability.