Multiple Choice
When damaged or single-stranded DNA activates the RecA protein, the RecA protein stimulates the cleavage of LexA. This results in
A) repression of polymerase V and activation of endonuclease.
B) activation of the Hfr system.
C) derepression of the SOS system.
D) increased transduction and recombination.
Correct Answer:
Verified
Correct Answer:
Verified
Q9: When DNA is transferred into a prokaryotic
Q10: All Hfr strains possess an F factor
Q11: Design an experiment (including controls) to determine
Q12: A mutant that has a nutritional requirement
Q13: Lysogeny is essential for the virulence of
Q15: Ionizing radiation does NOT include<br>A) gamma rays.<br>B)
Q16: The use of transposons to generate mutations
Q17: Compare and contrast generalized transduction with specialized
Q18: Transposons can be found on many genetic
Q19: The killing of cells by UV irradiation