What happens when the cAMP-CAP complex binds the CAP site near the lac promoter?
A. Transcription rate decreases.
B. Transcription rate increases.
C. RNA polymerase binds to the promoter.
D. RNA polymerase binds to the promoter and transcription rate decreases.
E. RNA polymerase binds to the promoter and transcription rate increases.
E. RNA polymerase binds to the promoter and transcription rate increases.
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Which one of the following RNA types is most abundant in mammalian cells?
A. mRNA B. tRNA C. miRNA D. rRNA E. snRNA
What idea is shared by both Lamarck's and Darwin's theories of evolution?
A. Adaptation is driven by differences in survival and reproductive success. B. Environmental changes can lead to the modification of traits. C. Traits acquired during an individual's lifetime can be inherited by their offspring. D. Evolution involves a continuous increase in complexity.
In a chemical analysis of an animal tissue sample, which element would be in the least quantity?
A. nitrogen B. hydrogen C. carbon D. oxygen E. iodine
A biochemist wants to control the initial substrate-level phosphorylation that occurs in the tracheal cells of grasshoppers once glucose has crossed the plasma membrane. He has access to the following inhibitors: Rotenone-an electron transport chain inhibitor, Oligomycinan-an ATP synthase inhibitor, and TLN232-an inhibitor of glycolysis. Which inhibitor should he use to slow down initial substrate-level phosphorylation that occurs once glucose has crossed the plasma membrane?
A. TLN-232 B. oligomycin C. rotenone D. None of these inhibitors would be effective in preventing substrate-level phosphorylation.