Podcast
Questions and Answers
What can an injection of bacterial cell wall preparation into an animal often evoke?
What can an injection of bacterial cell wall preparation into an animal often evoke?
- Growth of bacteria
- Production of antibiotics
- Immunity against the bacteria (correct)
- Symptoms of bacterial diseases
Which component of bacteria are bacterial antigens typically found in?
Which component of bacteria are bacterial antigens typically found in?
- Cell membrane
- Cytoplasm
- Cell wall (correct)
- Ribosomes
How does penicillin inhibit the growth of bacteria?
How does penicillin inhibit the growth of bacteria?
- By interfering with DNA replication
- By inhibiting protein synthesis
- By interfering with peptidoglycan layer formation (correct)
- By destroying the cell membrane
What structural resemblance does penicillin have with the terminal dipeptide?
What structural resemblance does penicillin have with the terminal dipeptide?
Why has penicillin been studied as an ideal antibiotic?
Why has penicillin been studied as an ideal antibiotic?
Which enzyme does penicillin react irreversibly with to inhibit bacterial growth?
Which enzyme does penicillin react irreversibly with to inhibit bacterial growth?
What is the role of lactamase in bacterial cells?
What is the role of lactamase in bacterial cells?
What is the function of lysozymes in bacterial cells?
What is the function of lysozymes in bacterial cells?
How does penicillin interfere with bacterial cells?
How does penicillin interfere with bacterial cells?
Which enzyme is responsible for destroying the ability of penicillin to interfere with peptidoglycan synthesis?
Which enzyme is responsible for destroying the ability of penicillin to interfere with peptidoglycan synthesis?
What is a key consequence of resistance to penicillin in bacterial pathogens?
What is a key consequence of resistance to penicillin in bacterial pathogens?
Where are lysozymes naturally found that contribute to their antibacterial action?
Where are lysozymes naturally found that contribute to their antibacterial action?
Which type of bacteria retains the gram stain?
Which type of bacteria retains the gram stain?
What is the main component of the cell wall of Gram negative bacteria?
What is the main component of the cell wall of Gram negative bacteria?
Which amino acid is part of the tetrapeptide attached to the lactic acid moiety of N-acetyl muramic acid?
Which amino acid is part of the tetrapeptide attached to the lactic acid moiety of N-acetyl muramic acid?
How are adjacent polysaccharide chains linked together in the bacterial cell wall?
How are adjacent polysaccharide chains linked together in the bacterial cell wall?
What is the significance of the covalently cross-linked structure in the bacterial cell wall?
What is the significance of the covalently cross-linked structure in the bacterial cell wall?
How do antibiotics that target peptidoglycan synthesis affect bacterial cells?
How do antibiotics that target peptidoglycan synthesis affect bacterial cells?
