It Is Believed That HIV Has Passed from Chimps to Humans

question 27

Multiple Choice

It is believed that HIV has passed from chimps to humans more than once. This is very telling since it suggests that animal- to- human viral transmissions may be more common than previously thought. What is the best evidence in support of the conclusion that HIV made the chimp- to- human leap more than once?

• A) HIV has appeared on multiple continents.
• B) Human- to- human transmission of HIV requires direct personal contact that simply could not have resulted in the widespread outbreak we see today.
• C) Several species are known to have similar viruses resulting in immunodeficiency diseases.
• D) HIV has multiple strains, and the virus does not appear to be able to leap from humans back to chimps.

Explaining interactional synchrony and its relevance in communication contexts.

Describing the stages and functions of nonverbal cues in interpersonal relationships and quasi-courtship behavior.

Understand the concept of behavioral contrast and its implications in various contexts.

Recognize the role of perceptual learning and generalization in discrimination tasks.

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Definitions:

Gold Jewelry

Ornamental items made of gold, often used as a form of adornment or investment.

Bus Tickets

Physical or electronic documents that allow an individual to travel on a bus for a specific journey.

Inferior Goods

Goods whose demand decreases as the income of the consumers increases, opposite to what is observed with normal goods.

Normal Good

A normal good is a type of good for which demand increases when income increases, and decreases when income decreases, showing a direct relationship between income and demand.