One Unique Characteristic Associated with Some of the Extreme Halophilic

question 49

Multiple Choice

One unique characteristic associated with some of the extreme halophilic Archaea is that:

• A) they are found at deep-sea vents on the sea floor.
• B) they are a source of most known antibiotics.
• C) they have photosynthetic ability involving a purple bacteriorhodopsin pigment.
• D) they fix atmospheric nitrogen that is then used by plants.
• E) most form symbiotic associations.

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Definitions:

Deadweight Loss

The loss of economic efficiency that can occur when equilibrium for a good or service is not achieved.

Tariff

A tax imposed by a government on imported goods, often used to protect domestic industries and to raise government revenue.

Total Surplus

The sum of consumer and producer surplus, representing the total net benefit to society from the production and consumption of goods and services.

World Price

The international market price of a good or service, influenced by factors like supply and demand, tariffs, and trade agreements.