Which control method would not be a suitable choice

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Which control method would not be a suitable choice for killing Mycobacteria in a capped culture tube? A. gamma rays B. ultraviolet (germicidal) light C. 121º C at 15 psi for 15 minutes
D. 160º C for 2 hours E. All of the choices are correct A hot tub (approx. 104ºF or 40ºC) would most likely contain
You want to examine the surface structure of a virus outer protein coat by microscopy. Which of the following would be the microscope of choice and why?
For the next five questions select the term from the list which best matches each of the descriptions.
The action of heat or chemicals on proteins whose function depends upon an unaltered tertiary state Extraction of energy through an incomplete, anaerobic degradation of glucose into ethanol The energy-yielding breakdown of glucose to pyruvic acid; no molecular oxygen is consumed in the degradation Synthesis of ATP using energy given off during the electron transport phase of respiration Chemical breakdown of complex compounds into simpler units to be used in cell metabolism An organism that cannot tolerate the absence of oxygen in the environment is a/an
Using toilet bowl cleaner and nonionizing radiation to non-animate surfaces only removes or kills vegetative bacteria. The term that best describes this action is: A. antisepsis B. degermation C. disinfection D. none of these is correct E. sterilization

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