Podcast
Questions and Answers
What is the main function of ligase in DNA?
What is the main function of ligase in DNA?
- Assists in gluing DNA fragments together (correct)
- Aids in the repair of DNA damage
- Helps remove DNA fragments
- Promotes DNA replication
Which process involves the transfer of genetic material from a donor cell to a recipient cell using sex pili?
Which process involves the transfer of genetic material from a donor cell to a recipient cell using sex pili?
- Recombination
- Transformation
- Conjugation (correct)
- Transduction
What mutation refers to a change in the original nucleotide sequence of a gene?
What mutation refers to a change in the original nucleotide sequence of a gene?
- Transformation mutation
- Recombination mutation
- Genotypic mutation
- Phenotypic mutation (correct)
Which type of organism requires oxygen to grow and thrives well in room air?
Which type of organism requires oxygen to grow and thrives well in room air?
What is the main difference between respiration and fermentation in energy production?
What is the main difference between respiration and fermentation in energy production?
What is the primary characteristic of obligate anaerobes among anaerobic organisms?
What is the primary characteristic of obligate anaerobes among anaerobic organisms?
What can cause goiter, hypothyroidism, and other issues when the skin is immunocompromised?
What can cause goiter, hypothyroidism, and other issues when the skin is immunocompromised?
Which element is found in spores and can affect the degree of killing of organisms?
Which element is found in spores and can affect the degree of killing of organisms?
Which substance is no longer used for ophthalmia neonatorum?
Which substance is no longer used for ophthalmia neonatorum?
What is one of the factors that affects the exposure time needed for 99.9% elimination of organisms?
What is one of the factors that affects the exposure time needed for 99.9% elimination of organisms?
Which type of organism is most resistant to heat, chemicals, and radiation?
Which type of organism is most resistant to heat, chemicals, and radiation?
What determines the exposure time necessary for 99.9% elimination of organisms?
What determines the exposure time necessary for 99.9% elimination of organisms?
What is the highest temperature range for incineration as a physical method of sterilization?
What is the highest temperature range for incineration as a physical method of sterilization?
Which method is classified as a chemical method of sterilization?
Which method is classified as a chemical method of sterilization?
What is the temperature requirement for moist heat sterilization via autoclave?
What is the temperature requirement for moist heat sterilization via autoclave?
Which type of filter is used in air filtration for sterilization?
Which type of filter is used in air filtration for sterilization?
What effect does ionizing radiation have on DNA during sterilization?
What effect does ionizing radiation have on DNA during sterilization?
What is the main disadvantage of dry heat sterilization compared to moist heat?
What is the main disadvantage of dry heat sterilization compared to moist heat?
What is the main difference between exotoxins and endotoxins?
What is the main difference between exotoxins and endotoxins?
What does a capsule around bacteria help resist?
What does a capsule around bacteria help resist?
Which toxin is produced by Clostridium botulinum?
Which toxin is produced by Clostridium botulinum?
When are specimens ideally collected for testing?
When are specimens ideally collected for testing?
Which factor causes tissue and cellular damage in pathogenic microorganisms?
Which factor causes tissue and cellular damage in pathogenic microorganisms?
What is the primary mode of transmission for Mycobacterium tuberculosis?
What is the primary mode of transmission for Mycobacterium tuberculosis?
Which level of biocontainment deals with agents like Congo-Crimean hemorrhagic fever and Marburg virus?
Which level of biocontainment deals with agents like Congo-Crimean hemorrhagic fever and Marburg virus?
What characterizes an opportunistic pathogen?
What characterizes an opportunistic pathogen?
What distinguishes a true pathogen from an opportunistic pathogen?
What distinguishes a true pathogen from an opportunistic pathogen?
Which type of infection originates from medical instruments or procedures?
Which type of infection originates from medical instruments or procedures?
In the context of pathogenicity, what does Nosocomial pathogen refer to?
In the context of pathogenicity, what does Nosocomial pathogen refer to?
