BI-234 LECTURE - CHAPTER 9 EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED BY
EXPERT
Sterilzation
To kill or remove all microbes
Aseptic
Working with microbes without contamination
Antiseptic
Stops/slows down the growth of microorganisms on living tissue
disinfectant
elimination of pathogens, used on a surface
de-germing
physically removing filth and microorganisms, handwashing
sanitization
reduced the number of potential pathogens to below the level of public health concern
pastuerization
heat treatment used to kill microorganisms on food products
bactericidal
having the ability to kill bacteria
bacteriostatic
, having the ability to prevent growth of bacteria
Denaturing proteins, disrupting nucleic acid, cell wall breakdown, disrupting
membranes,
What is happening when you are killing microbes or slowing down their rate?
Permanent
Is denaturing of proteins permanent or temporary?
Temporary, reconfiguration possible
Is alteration of nucleic acids permanent or temporary?
What you are inhibiting, who/what you are treating, and environmental conditions
you're treating in
What should you consider when deciding how to control microbial growth?
Inexpensive, fast-acting, stable during storage, harmless to humans, effective
against all microbes
What are the ideal method attributes in a perfect world?
Prions and endospores
What are the 2 most difficult microorganisms to kill?
Incinerate
How do you kill prions?
sterilization
How do you kill endospores?
Enveloped viruses
What are the easiest microorganisms to kill?
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED BY
EXPERT
Sterilzation
To kill or remove all microbes
Aseptic
Working with microbes without contamination
Antiseptic
Stops/slows down the growth of microorganisms on living tissue
disinfectant
elimination of pathogens, used on a surface
de-germing
physically removing filth and microorganisms, handwashing
sanitization
reduced the number of potential pathogens to below the level of public health concern
pastuerization
heat treatment used to kill microorganisms on food products
bactericidal
having the ability to kill bacteria
bacteriostatic
, having the ability to prevent growth of bacteria
Denaturing proteins, disrupting nucleic acid, cell wall breakdown, disrupting
membranes,
What is happening when you are killing microbes or slowing down their rate?
Permanent
Is denaturing of proteins permanent or temporary?
Temporary, reconfiguration possible
Is alteration of nucleic acids permanent or temporary?
What you are inhibiting, who/what you are treating, and environmental conditions
you're treating in
What should you consider when deciding how to control microbial growth?
Inexpensive, fast-acting, stable during storage, harmless to humans, effective
against all microbes
What are the ideal method attributes in a perfect world?
Prions and endospores
What are the 2 most difficult microorganisms to kill?
Incinerate
How do you kill prions?
sterilization
How do you kill endospores?
Enveloped viruses
What are the easiest microorganisms to kill?
