Which One of the Following Statements About the Evolution of HIV

question 59

Multiple Choice

Which one of the following statements about the evolution of HIV is false?

• A)All strains of HIV are included within clades of SIV strains.
• B)Each strain of HIV is more closely related to a strain of SIV than to other HIV strains.
• C)Humans acquired different subtypes of HIV from different primate hosts.
• D)AIDS appeared first in Africa,probably prior to 1940.
• E)Because of the low mutation rate of the HIV virus,it is possible to use phylogenetics to determine the source of infection for specific individuals.

Calculate contribution margin per unit, contribution margin ratio, and variable expense ratio.

Forecast net operating income based on changes in sales volume, selling price, variable costs, and fixed costs.

Calculate the margin of safety in dollars and percentage.

Apply changes in the business environment (e.g., sales incentives, price changes, advertising budget adjustments) to predict their effect on net operating income.

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Definitions:

Gross Domestic Product

The Gross Domestic Product, or GDP, is the overall market or monetary worth of all completed goods and services generated inside the territorial limits of a country over a designated period.

Aggregate Expenditure

The total spending on goods and services in an economy at a given price level, including consumption, investment, government spending, and net exports.

Aggregate Expenditure

The total amount of spending in the economy that includes consumption, investment, government spending, and net exports.

Consumption

The use of goods and services by households, constituting one of the major components of gross domestic product (GDP).