Which of the following mutations is dominant over wild-type lacI+ in a partial diploid experimental cell?
A) lacA-
B) lacO-
C) lacI-
D) lacIS
E) C and Donly
Correct Answer:
Verified
Q7: To inhibit the transcription of operon genes,the
Q8: In terms of regulation of gene expression,tryptophan
Q9: In bacteriophage lambda,the establishment of lysogeny requires
Q10: Which of the following can be a
Q11: A lacOC mutation is
A)constitutive.
B)cis-dominant.
C)incompletely dominant.
D)codominant
E)recessive.
Q13: Operons can best be defined as
A)operational mutations
Q14: The genetic switch for the infection pathways
Q15: The _ pathway in lambda phage leads
Q16: In the lac operon in E.coli,a nonsense
Q17: To maintain lysogeny in lambda,which of the
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