Regulation of the Trp Operon at the Level of Transcription

question 23

Multiple Choice

Regulation of the trp operon at the level of transcription initiation is an example of

• A) a positive inducible system.
• B) a positive repressible system.
• C) a negative inducible system.
• D) a negative repressible system.
• E) a constitutive system.

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Definitions:

William Jennings Bryan

A prominent American lawyer and politician who was a major advocate for populism, serving in the U.S. Congress and running for President as the Democratic Party nominee in 1896, 1900, and 1908.

Gold Standard

A monetary system in which the value of a country's currency is directly linked to a specified amount of gold.

Retina

The light-sensitive layer of tissue at the back of the inner eye, which transmits visual signals to the brain via the optic nerve.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing most of the eye's focusing power.