A Particular Type of Virus Carries a Gene for Salicylate

question 47

Multiple Choice

A particular type of virus carries a gene for salicylate hydroxylase, an enzyme that breaks down salicylic acid. Which of the following responses is most likely?

• A) The virus will be more virulent because systemic acquired resistance will be blocked.
• B) The virus will be less virulent because the hypersensitive response will no longer function.
• C) The host will be more susceptible because the hypersensitive response will no longer function.
• D) There will be no difference in virulence because salicylic acid affects only fungal pathogens.

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Definitions:

Quick Ratio

A liquidity indicator that measures a company’s ability to pay off its current liabilities without relying on the sale of inventory by dividing liquid assets by current liabilities.

Return on Equity

A measure of a corporation's profitability relative to stockholders’ equity, indicating how effectively management uses investments to generate earnings growth.

Du Pont Analysis

A financial analysis method that breaks down return on equity into three parts: operating efficiency, asset use efficiency, and financial leverage, allowing for detailed evaluation of a company's performance.

ROE

Return on Equity, a measure of financial performance calculated by dividing net income by shareholders' equity, indicating how well a company uses investments to generate earnings growth.