Tight control of tryptophan synthesis is advantageous evolutionarily in prokaryotes because
A) trp synthesis requires several enzymes
B) trp synthesis requires several different genes
C) trp serves as a precursor to prokaryotic coenzymes
D) trp is not always available to the organism
E) all of the above
Correct Answer:
Verified
Q13: What sugar is metabolized by the enzymes
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
Q19: The trp operon differs from the lac
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
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