Which of the following does NOT affect the sensitivity of a microorganism to foo

Question

Which of the following does NOT affect the sensitivity of a microorganism to food irradiation? a. genome size b. rate of repair of DNA damage C. whether the food is fresh or frozen d. the presence of heat-shock enzymes 29. 30. with the structure R-CHO are very useful disinfectants. c. Anionic detergents a. lodophors b. Low-molecular-weight aldehydes d. Cationic detergents 31. Which of the following disinfectants has a high CDC level of activity? a. hydrogen peroxide b. quarternary ammonium c. phenol d. chlorine gas compounds

Explanation / Answer

29.d. Presence of heat shock enzymes.

30.b. Low molecular weight aldhydes.

31.a. Hydrogen peroxide.

38.d. Potential toxic side effects.

39. Meat or polutry.

42.a. confers antibiotic resistance to the bacteria.

43.a. Tuberculosis and legionellosis

44.b. vaccination against whooping cough has become less effective in infants under one year age over time

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