A) binding of a repressor to an operator
B) premature termination of RNA polymerase during transcription elongation
C) binding of cAMP-CRP complex to the lac operon of Escherichia coli
D) over-riding termination by anti-terminator proteins
Correct Answer
verified
B
Correct Answer
verified
A) control large numbers of genes in response to a broad,general signals
B) control large numbers of genes in response to a specific signal
C) control small numbers of genes in response to broad,general signals
D) control small numbers of genes in response to a specific signal
Correct Answer
verified
Correct Answer
verified
A) A gene is switched on in the presence of an activator.
B) A gene is de-repressed.
C) A gene is induced.
D) A gene is switched off by a repressor protein.
Correct Answer
verified
Correct Answer
verified
A) IPTG binds to LacI
B) allo-lactose binds to LacI
C) a repressor binds to its own gene to prevent transcription
D) CRP binds to cAMP and the the lac operon
Correct Answer
verified
C
Correct Answer
verified
A) gratuitous inducer
B) phosphorelay
C) DNA binding regulator
D) sensor kinase
Correct Answer
verified
Correct Answer
verified
A) heat shock
B) nitrogen control
C) flagellar motion
D) exponential phase
Correct Answer
verified
Correct Answer
verified
Correct Answer
verified
True
Correct Answer
verified
A) trans-acting elements
B) cis-acting elements
C) positive regulators
D) negative regulators
Correct Answer
verified
Correct Answer
verified
A) allo-lactose
B) IPTG
C) glucose
D) lactose
Correct Answer
verified
Correct Answer
verified
A) are metabolized like the natural inducer
B) are not broken down
C) are nutrient sources
D) are competitive inhibitors
Correct Answer
verified
Correct Answer
verified
Showing 1 - 10 of 10
Related Exams