What Is the Purpose of Synthesizing a Negative Strand RNA

question 12

Multiple Choice

What is the purpose of synthesizing a negative strand RNA in positive stranded ssRNA viruses?

• A) enable rolling circle amplification of the genome, which requires both strands of RNA
• B) enable transcription of genes occurring on both the negative and positive strands of the genome, such as overlapping genes
• C) proofreading of the genome to minimize mutations generated by the polymerase being passed onto virion progeny
• D) to serve as the complementary template sequence in genome amplification of the positive strand

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Definitions:

Output

Refers to the quantity of goods or services produced in a given time period by a firm or economy.

Short-Run Supply Curve

A graphical representation showing the relationship between the price of a good and the quantity supplied by producers in the short term, under fixed resources and technologies.

Break-Even Point

The low point on the firm’s average total cost curve. If the price is below this point, the firm will go out of business in the long run.

Shutdown Point

The level of operation at which a business or economic activity is no longer profitable and should cease operations for financial reasons.