Which control method would not be a suitable choice for killing Mycobacteria in a capped culture tube?

A. ultraviolet (germicidal) light
B. gamma rays
C. 160°C for 2 hours
D. 121°C at 15 psi for 15 minutes
E. All of these choices are correct.


Answer: A

Biology & Microbiology

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Which of the following mechanisms is used by retrotransposons?

A. cut-and-paste transposition B. replicative transposition C. bacterial transduction D. transposition via an mRNA intermediate E. lysogeny

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The complete genetic composition of an organism is called its

A. proteome. B. genome. C. transcriptosome. D. phenotype. E. None of these choices are correct.

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In bacteria, restriction enzymes function to ____

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