Multiple Choice
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
Correct Answer:
Verified
Q20: Genes that are not often transcribed in
Q21: Most commonly, proteins interact with DNA at<br>A)
Q22: Cohesin complexes<br>A) are comprised of several proteins,
Q23: The trp operon is like the lac
Q24: What type of modification is used to
Q26: FMN participates in a riboswitch. When FMN
Q27: Consensus sequences<br>A) occur in proteins<br>B) occur in
Q28: The TPP riboswitch (or THI element)<br>A) sequesters
Q29: A self-cleaving ribozyme cleaves _ resulting in
Q30: Both C/EBP (CCAAT/enhancer-binding protein) and CREB (cyclicAMP