Question

65. Chemical substances that kill vegetative pathogens on inanimate surfaces are called __________________________.

66. The process of reducing the microbial populations on surfaces, glassware and utensils for food preparation in accordance with municipal health codes is called __________________________.

67. Bacteria that require special or many growth factors are called ____________.

68. What technique do we use in lab to prevent contamination?

69. With what kind of cultures must we work, so we have reliable, valid tests?

Answer 1

65.chemical substances that are used to kill vegetative pathogens on an inanimate surfaces are called germicides(disinfectants and antiseptics).
66.the process of reducing the microorganisms on the surface of glassware and utensils for food preparation in accordance with municipal health codes is called sterilization.
67. the bacteria that require special growth factors is called fastidious bacteria.
68.the technique used in the laboratory to prevent contamination is sterilization.