What Is the Key Factor Determining Whether or Not Attenuation

question 32

Multiple Choice

What is the key factor determining whether or not attenuation will occur when transcription of the

• A) the activity level of adenyl cyclase
• B) the trp operon repressor
• C) the level of tryptophan in the environment
• D) the level of trp-tRNA that is charged with tryptophan
• E) coli trp operon has been initiated?

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Definitions:

Decreased

To become smaller or less in size, quantity, intensity, or degree.

Equivalent Phrase

A term or expression that has the same meaning as another, especially in a different mathematical context.

Difference

The outcome of deducting one figure from another.

Algebraic Expression

An expression built from constants, variables, and a finite number of algebraic operations (e.g., addition, subtraction, multiplication, division).