If you want to prevent rho-dependent transcription, which sequences would you target to mutate the rho utilization (rut) site?
A) coding region
B) start codon
C) promoter sequence
D) terminator sequence
E) stop codon
D
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Organisms
A. may be classified in four domains. B. may be classified in three domains. C. probably do not have a common ancestor. D. have never shared genes between domains. E. may be classified in three domains, probably do not have a common ancestor, AND have never shared genes between domains.
Macronutrients are defined as those elements:
A. required in certain relative amounts in the plant. B. usually needed, but not always available. C. required in relatively large amounts. D. only taken up through the soil.
When behavioral biologists look at the ultimate evolutionary benefit of animal communication, they are primarily
focusing on the effects of the communication on the individual's ability to ____.
a. secure food resources b. intimidate other animals c. form alliances with other animals d. produce surviving offspring e. maintain a favorable position in the dominance hierarchy
Which of the following dominates in the process of transcription?
a. RNA polymerase b. DNA polymerase c. phenylketonuria d. tRNA e. rRNA