TLS Online TPP Program

#Question id: 32939


Which of the following statements regarding microbial control is correct?

#XL - S Microbiology
  1. Nonionizing radiation induces thymine dimer formation in DNA, leading to mutations.
  2. Spirochetes and mycoplasma are capable of passing through membrane filters (0.22-0.45 μm).
  3. High concentrations of salts and sugars preserve food through chemical methods of microbial control.
  4. Pasteurization effectively eliminates all thermoduric bacteria.