If two different auxotrophic strains are placed in a liquid medium culture tube,prototrophic strains can sometimes be subsequently recovered.Choose the mechanism below that would not allow this genetic change.
A) conjugation
B) transduction
C) genetic suppression
D) transformation
E) reverse mutation
Correct Answer:
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Q39: What is a plaque composed of?
A)lysed bacteria,phage,and
Q40: What is the process by which a
Q41: In a mixed infection experiment,the results of
Q42: To produce recombinants in phage_ .
A)one crossover
Q43: In Seymour Benzer's studies,if he mixed two
Q44: A form of bacterial recombination that involves
Q45: Viral mutations and variants are often categorized
Q46: In a mixed infection experiment,you study two
Q47: _is most likely associated with transduction.
A)Conjugation
B)Transformation
C)Lysogeny
D)factor
E)Plasmid ColE
Q49: _of genes is an indication that the
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