Refer to the Figure Showing a Phylogenetic Tree of Immunodeficiency

question 68

Multiple Choice

Refer to the figure showing a phylogenetic tree of immunodeficiency viruses. Based on the figure, which statement is false?

• A) HIV viruses evolved from simian immunodeficiency virus (SI
• V).
• B) HIV-1 and HIV-2 are more closely related to each other than to any of the simian immunodeficiency viruses.
• C) There are two different HIV strains.
• D) SIVcpz could be considered an outgroup for the clade of SIV that is found in sun-tailed and African green monkeys.
• E) SIVsm and HIV-2 are sister clades.

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Definitions:

Profit-Maximizing

The process or strategy employed by a firm to adjust its production and prices to achieve the highest possible profit.

Price Elasticity

A quantitative representation of how quantity demanded or supplied of a product changes in response to a price change, signifying the sensitivity of consumers or producers to price variations.

Marginal Cost

The incremental cost of creating one more unit of a good or service.

Profit-Maximizing

Profit-maximizing refers to the strategy or point where a company achieves the highest possible profit from its operations, after accounting for all costs.