Direct selection involves inoculating cells onto growth media on which
A) the mutant but not the parental cell type will grow.
B) the mutation will be reversed.
C) the nutrients necessary for mutation to occur are present.
D) the mutagen is present.
Correct Answer:
Verified
Q22: Indirect selection
A)is necessary to isolate auxotrophic mutants.
B)uses
Q23: The transfer of vancomycin resistance from Enterococcus
Q25: The F plasmid carries the information for
A)antibiotic
Q27: To increase the proportion of auxotrophic mutants
Q28: A quick microbiological test for potential carcinogens
Q29: Replica plating
A)is useful for direct selection.
B)is useful
Q30: A clever technique that streamlines the identification
Q31: To increase the chance of detecting carcinogens
Q31: Gene transfer that requires cell-to-cell contact is
A)transformation.
B)competency.
C)conjugation.
D)functional
Q40: In conjugation the donor cell is recognized
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