You Are Interpreting Data on a DNA Chip or Microarray

question 90

Multiple Choice

You are interpreting data on a DNA chip or microarray. You expose the chip to a mixture of two cDNA populations: one from cells that were not treated with a glucocorticoid hormone (untreated controls; labeled with a red fluorescent dye) and a population from cells that were treated with glucocorticoid hormones (glucocorticoid-treated; labeled with green fluorescent dye) . You look at a spot on the chip representing the gene for phosphoenolase, a gene that is turned off by glucocorticoid treatment, but is expressed in control, untreated cells. What color should the spot representing the phosphoenolase gene be?

• A)red
• B)green
• C)yellow
• D)no color, the spot is not labeled
• E)brown

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Definitions:

Workforce

The collective group of individuals who are engaged in work or are available for work, including both employees and the unemployed.

Downsizing

The process of reducing the number of employees in an organization, usually to cut costs or adjust to a smaller market demand.

Outsourcing

Contracting tasks to outside agencies or persons.

Employee Relations

The management and maintenance of the relationship between an organization and its employees, focusing on communication, conflict resolution, and employee satisfaction.