Multiple Choice
Which statement accurately describes global gene regulation in bacteria?
A) Sigma factors are not involved in gene regulation, only in attachment of the polymerase to the promoter.
B) Alternative sigma factors that recognize different promoters are a mechanism of global gene regulation.
C) E.coli cells devote more energy to the production of ribosomes during stress so that global gene regulation can occur.
D) All promoters are recognized by all sigma factors.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The scientists who proposed the operon theory
Q3: What is an advantage of using the
Q4: The sigma factor that mediates a global
Q5: A mutation in a ribosome binding site
Q6: As a general principle of gene regulation
Q7: What would be the phenotype of a
Q8: Which molecules are examples of effector molecules?<br>A)Allolactose
Q9: What is one possible advantage to targeting
Q10: How does tryptophan, the end product of
Q11: What is the relationship between the promoters