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:

Standard Costs

Predetermined costs for materials, labor, and overhead, against which actual costs are compared.

Cost of Goods Sold

Expenses directly associated with producing goods a company sells, entailing labor and material costs.

Standard Cost Variances

The differences between actual costs and standard costs in manufacturing, divided into categories such as materials, labor, and overhead.

Administrative Expenses

Overhead or general expenses related to the day-to-day operations of a business that are not directly tied to a specific project.