HIV Strains May Differ by 10% Within One Person and by 35

question 20

Multiple Choice

HIV strains may differ by 10% within one person and by 35% in people across the globe.This is due to

• A)both cellular and antibody-mediated responses.
• B)the fact that HIV inserts its genome into the host genome.
• C)HIV's high rate of mutation.
• D)the fact that HIV targets T-cells.
• E)the fact that most people do not die from HIV infection.

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Definitions:

Average Total Cost

The sum of all production expenses (both fixed and variable) divided by the overall output.

Total Variable Cost

The cumulative expenses that change in proportion to the level of goods or services produced.

Output

refers to the quantity of goods or services produced by a firm, industry, or economy within a specific period.