What Is the Key Factor Determining Whether or Not Attenuation

question 71

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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