Physical and Chemical Agents Which of the following does not kill endospores? Hot air sterilization Incineration Autoclave Pasteurization Hot air sterilization Incineration Autoclave Pasteurization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have high concentration of solutes low pH insufficient nutrients toxic alkaline chemicals high concentration of solutes low pH insufficient nutrients toxic alkaline chemicals ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following substances can sterilize? Cetylpyridinium chloride Alcohol Chlorine Ethylene oxide Cetylpyridinium chloride Alcohol Chlorine Ethylene oxide ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by creating a hypertonic environment raising pH creating a hypotonic environment lowering osmotic pressure creating a hypertonic environment raising pH creating a hypotonic environment lowering osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound? 5 1 50 10 5 1 50 10 ANSWER DOWNLOAD EXAMIANS APP
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