Integrons Are

question 28

Multiple Choice

Integrons are:

• A) Circular structures present in bacteria that contain genes encoding proteins and RNA and have the capacity to self-replicate and portion into daughter cells during cellular division
• B) DNA elements that encode transposition and excision function and can transpose from one place on the chromosome to another.
• C) Genetic elements capable of integrating resistance genes (cassettes) by an integron-encoded, site-specific recombinase
• D) DNA elements found in bacteria that carry genes only for the enzymes needed to promote their own transposition

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Definitions:

Coolie Trade

The Coolie trade involved the indentured labor of workers from Asia, particularly China and India, who were transported to work in foreign lands under oppressive conditions in the 19th and early 20th centuries.

Chinese Exclusion Act

A U.S. federal law signed in 1882 that prohibited all immigration of Chinese laborers.

Bureau of Reclamation

is an agency within the U.S. Department of the Interior, responsible for the oversight and management of water resources, including the construction of dams, power plants, and canals for irrigation, water supply, and electricity generation.

Comstock Lode

A major discovery of silver ore in Nevada in 1859 that led to a mining boom, significantly influencing the economy of the United States.