A Researcher Lyses a Cell That Contains Nucleic Acid Molecules

question 4

Multiple Choice

A researcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (TMV) . The cell contents are left in a covered test tube overnight. The next day this mixture is sprayed on tobacco plants. What would you expect to happen to the plants that were sprayed with the mixture?

• A) The plants would develop some but not all of the symptoms of the TMV infection.
• B) The plants would develop the typical symptoms of TMV infection.
• C) The plants would not show any disease symptoms.
• D) The plants would become infected, but extracts from these plants would be unable to infect other plants.

---

Definitions:

Substitution Effect

Refers to consumers’ ability to substitute other products for the focal brand, thus increasing the price elasticity of demand for the focal brand.

Cross-Price Elasticity

A measure of how the demand for one product changes in response to a price change of another product.

Toothpaste

A gel or paste used with a toothbrush to clean and maintain the aesthetics and health of teeth, often containing fluoride to prevent dental cavities.

Complementary Product

A product that adds value to another product when used together, enhancing the overall user experience.