Podcast
Questions and Answers
What is the function of the sex pilus in bacterial cells?
What is the function of the sex pilus in bacterial cells?
- Allow bacteria to survive for many years
- Mediate attachment of bacteria to human cells
- Form a thick, keratinlike coat for survival
- Function in conjugation (correct)
Which bacterial species are known to form spores especially in the soil?
Which bacterial species are known to form spores especially in the soil?
- Escherichia coli and Streptococcus species
- Bacillus and Clostridium species (correct)
- Staphylococcus and Streptococcus species
- Pseudomonas and Enterococcus species
What is the primary characteristic of spores in bacterial cells?
What is the primary characteristic of spores in bacterial cells?
- Not formed by gram-positive rods
- Metabolically active with high heat resistance
- Metabolically inactive with DNA and ribosomes (correct)
- Contain a thin coat for rapid germination
What is the role of pili in bacterial cells?
What is the role of pili in bacterial cells?
What is the primary characteristic of pili in bacterial cells?
What is the primary characteristic of pili in bacterial cells?
How are pili different from spores in bacterial cells?
How are pili different from spores in bacterial cells?
What is a major difference between the function of pili and sex pilus in bacterial cells?
What is a major difference between the function of pili and sex pilus in bacterial cells?
Why are spores able to survive for many years, especially in the soil?
Why are spores able to survive for many years, especially in the soil?
Why are spores not killed by many disinfectants?
Why are spores not killed by many disinfectants?
What happens when nutrients are restored after spore formation?
What happens when nutrients are restored after spore formation?
What is the function of pili in bacterial cells?
What is the function of pili in bacterial cells?
Why are spores highly heat resistant and not killed by many disinfectants?
Why are spores highly heat resistant and not killed by many disinfectants?
How do spores differ from bacteria in terms of metabolic activity?
How do spores differ from bacteria in terms of metabolic activity?
Which statement about pili is incorrect?
Which statement about pili is incorrect?
What triggers the formation of spores in bacterial cells?
What triggers the formation of spores in bacterial cells?
What is a unique characteristic of spores that allows them to survive for many years, especially in the soil?
What is a unique characteristic of spores that allows them to survive for many years, especially in the soil?
What is the primary function of pili in bacterial cells?
What is the primary function of pili in bacterial cells?
Which statement best describes the structure of spores in bacterial cells?
Which statement best describes the structure of spores in bacterial cells?
What makes boiling ineffective in killing spores?
What makes boiling ineffective in killing spores?
What distinguishes the sex pilus from other pili in bacterial cells?
What distinguishes the sex pilus from other pili in bacterial cells?
