The trp operon differs from the lac operon in that
A) trp is important for energy metabolism, but lac is not
B) trp has a leader sequence immediately upstream of the structural genes
C) trp has a leader sequence immediately upstream of the operator
D) trp has three structural genes and lac has five structural genes
E) trp has five structural genes and lac has one structural gene
Correct Answer:
Verified
Q14: What does allolactose bind?
A) lac operon
B) lac
Q15: To induce expression of the lac operon,
Q16: cAMP, highly conserved throughout evolution,
A) indicates cellular
Q17: cAMP receptor proteins (CRP or CAP)
I. interacts
Q18: Tight control of tryptophan synthesis is advantageous
Q20: The trp operon is like the lac
Q21: In _, gene expression is controlled by
Q22: Attenuation is related to riboswitches in that
A)
Q23: FMN participates in a riboswitch. When FMN
Q24: The TPP riboswitch (or THI element)
A) sequesters
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