Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the thermal death time thermal death temperature decimal reduction time thermal death point thermal death time thermal death temperature decimal reduction time thermal death point ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by creating a hypertonic environment creating a hypotonic environment raising pH lowering osmotic pressure creating a hypertonic environment creating a hypotonic environment raising pH lowering osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents A(n)____is used to prevent infection by killing or inhibiting pathogen growth on animal tissues. sanitizer antiseptic bacteriostatic agent disinfectant sanitizer antiseptic bacteriostatic agent disinfectant ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which is the most important surface active disinfectants? Amphoteric compounds Anionic compounds Non-ionic compounds Cationic compounds Amphoteric compounds Anionic compounds Non-ionic compounds Cationic compounds ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following substances can sterilize? Ethylene oxide Chlorine Cetylpyridinium chloride Alcohol Ethylene oxide Chlorine Cetylpyridinium chloride Alcohol ANSWER DOWNLOAD EXAMIANS APP
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