Podcast
Questions and Answers
What happens to bacterial proteins at high temperatures (>90°C)?
What happens to bacterial proteins at high temperatures (>90°C)?
- They replicate
- They become more stable
- They denature (correct)
- They break down
What occurs to nucleic acids in high temperatures (>90°C)?
What occurs to nucleic acids in high temperatures (>90°C)?
- They denature
- They become more resistant
- They are destroyed (correct)
- They replicate faster
What happens to cellular membranes at temperatures above 90°C?
What happens to cellular membranes at temperatures above 90°C?
- They denature
- They replicate
- They become more flexible
- They are destroyed (correct)
What happens to nucleic acids in high temperatures (>90°C)?
What happens to nucleic acids in high temperatures (>90°C)?
What is observed at low temperatures (0-7°C) in terms of microbial metabolic rate?
What is observed at low temperatures (0-7°C) in terms of microbial metabolic rate?
What is the term used to describe the reduction of microbial metabolic rate at low temperatures?
What is the term used to describe the reduction of microbial metabolic rate at low temperatures?
Which type of microbes are exceptions to the microstatic effect at low temperatures?
Which type of microbes are exceptions to the microstatic effect at low temperatures?
What is the effect of slow freezing (-20°C) on the cellular and molecular structure of bacteria and fungi?
What is the effect of slow freezing (-20°C) on the cellular and molecular structure of bacteria and fungi?
What is the impact of quick freezing (-70°C) on microbes?
What is the impact of quick freezing (-70°C) on microbes?
What is the primary reason for the disruption of microbial and fungal structure during slow freezing?
What is the primary reason for the disruption of microbial and fungal structure during slow freezing?
What is formed when water ionizes due to ionizing radiation?
What is formed when water ionizes due to ionizing radiation?
What do highly reactive hydroxyl radicals formed from water ionization primarily react with?
What do highly reactive hydroxyl radicals formed from water ionization primarily react with?
Which type of radiation leads to water ionization and the formation of highly reactive hydroxyl radicals?
Which type of radiation leads to water ionization and the formation of highly reactive hydroxyl radicals?
What is the primary mechanism by which non-ionizing radiation damages bacterial DNA?
What is the primary mechanism by which non-ionizing radiation damages bacterial DNA?
What is the specific effect of non-ionizing radiation on DNA replication?
What is the specific effect of non-ionizing radiation on DNA replication?
Which type of radiation is categorized as non-ionizing?
Which type of radiation is categorized as non-ionizing?
What effect does desiccation have on bacterial growth and reproduction?
What effect does desiccation have on bacterial growth and reproduction?
How does high pressure affect proteins and carbohydrates in bacteria?
How does high pressure affect proteins and carbohydrates in bacteria?
Which factor alters bacterial growth by slowing down microbial activity?
Which factor alters bacterial growth by slowing down microbial activity?
What happens to proteins and carbohydrates at high pressure?
What happens to proteins and carbohydrates at high pressure?
At low temperatures (0-7°C), what happens to microbial metabolic rate?
At low temperatures (0-7°C), what happens to microbial metabolic rate?
What is the effect of high temperatures (>90°C) on nucleic acids?
What is the effect of high temperatures (>90°C) on nucleic acids?
What happens to proteins and carbohydrates when exposed to high pressure?
What happens to proteins and carbohydrates when exposed to high pressure?
What is the primary impact of high pressure on vegetative cells?
What is the primary impact of high pressure on vegetative cells?
How do proteins and carbohydrates react to low pressure conditions?
How do proteins and carbohydrates react to low pressure conditions?
What is the primary focus of the process of sanitation?
What is the primary focus of the process of sanitation?
Which process specifically targets the prevention of contact with microorganisms?
Which process specifically targets the prevention of contact with microorganisms?
What is the main objective of the process of antisepsis?
What is the main objective of the process of antisepsis?
What is the primary difference between disinfection and the action of disinfectants?
What is the primary difference between disinfection and the action of disinfectants?
What is the limitation of disinfectants in terms of microorganisms they can eliminate?
What is the limitation of disinfectants in terms of microorganisms they can eliminate?
For what purpose are disinfectants commonly used?
For what purpose are disinfectants commonly used?
What does the term 'sterile' indicate?
What does the term 'sterile' indicate?
What is the primary objective of sterilization?
What is the primary objective of sterilization?
What is the process of sterilization intended to achieve?
What is the process of sterilization intended to achieve?
What is the term used to describe complete freedom from all microorganisms and their spores?
What is the term used to describe complete freedom from all microorganisms and their spores?
What is the primary objective of the process of sterilization?
What is the primary objective of the process of sterilization?
What is the specific impact of sterilization on microorganisms?
What is the specific impact of sterilization on microorganisms?
