A Researcher Has Developed Two Stains for Use with Seed

question 29

Multiple Choice

A researcher has developed two stains for use with seed plants. One stains sporophyte tissue blue; the other stains gametophyte tissue red. If the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur?

• A) The pollen grains will be pure red.
• B) The pollen grains will be pure blue.
• C) The pollen grains will have red interiors and blue exteriors.
• D) The pollen grains will have blue interiors and red exteriors.
• E) Insofar as the pollen grains are independent of the plant that produced them, they will not absorb either stain.

---

Definitions:

Real Wages

Income from work, recalibrated to account for the cost of living changes, indicating the real value of earnings.

Economic Rent

Income earned from the use of a resource, above that which is economically or socially necessary, often associated with limited supply or monopoly conditions.

Federal Minimum Wage

The lowest legal hourly pay for many workers, as mandated by federal law.

Manufacturing

The process of turning raw materials into finished products through various methods, including human labor, machinery, and chemical processing.