Explain all the different mechanisms by which both narrow and broad spectra antibiotics destroy bacteria.
Explain all the different mechanisms by which both narrow and broad spectra antibiotics destroy bacteria.
Homework Answers
Whether narrospectrum or broad spectrum antibiotics the mechanism of bacterial destruction are as such:
- Inhibition of the bacterial cell wall synthesis (made up of N-acetyl-D-glucosamine and N-acetylmuramic acid and thus disturbing the integrity of bacterial cell)
- By inhibition of essential bacterial cell protein required for the growth and living of the bacteria
- By inhibition of bacterial membrane functioning
- By inhibition of nucleic acid synthesis by acting of 50S or 30S ribosome (in case of gentamycin) as well as by destructive action on t-RNA of bacteria causing bacterial growth inhibition or death like in case of choramphenicol
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Explain all the different mechanisms by which both narrow and
broad spectra antibiotics destroy bacteria.
3. How are broad- and narrow-spectrum antibiotics different? 4. What is a "zone of inhibition?" 5....
3. How are broad- and narrow-spectrum antibiotics different? 4. What is a "zone of inhibition?" 5. How does the Kirby-Bauer test help determine the effectiveness of various antibiotics in t treating a patient with a bacterial infection?
5. Beta-lactam antibiotics are the major antibiotics. Where they act? Name two different types of antibiotics...
5. Beta-lactam antibiotics are the major antibiotics. Where they act? Name two different types of antibiotics which fall in this category. Explain where they resemble and where they differ. 6. Penicillin and Tetracycline; which one is narrow spectrum and which one is broad spectrum and why-explain. 7. There are two types of antibiotics which act on membrane. Name one member of each type. Why one antibiotics of this group exclusive works on fungus/protists and not on bacteria. 8. Many antibiotics...
help please HULUH Dallerld. 8. Many antibiotics inhibit protein synthesis. They should be narrow or broad...
help please
HULUH Dallerld. 8. Many antibiotics inhibit protein synthesis. They should be narrow or broad spectrum antibiotics and why? Name 3 of them and explain how/where they work (site of action). 9. Usually, how many ways bacteria becomes drug resistance-explain. 10. What is Kirby-Bauer test and what it is used for? Explain the process. 11. Why animal viruses have envelope, explain with example. 12. What is the basic difference between infection by phage and an animal virus, explain? 13....
Antibiotics has led to development of bacteria resistant to antibiotics. Which led to stronger antibiotics, with...
Antibiotics has led to development of bacteria resistant to antibiotics. Which led to stronger antibiotics, with the understanding of the theory of evolution from Darwin, particularly natural selection, explain the phenomenon.
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of...
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of these antibiotics would be classified as broad-spectrum antibiotics? lics? (will kill both 5a. Ampicillin is a form of penicillin. If the zone of inhibition for a susceptible strain of E. coli is mm, and for a strain of S. aureus is 29 mm, which one is inhibited by the lower concentration or ampicillin? 5b. Would you need a higher dose of ampicillin to cure...
Explain the process by which Staphylococcus bacteria acquire resistance to antibiotics. Explain the long term effects...
Explain the process by which Staphylococcus bacteria acquire resistance to antibiotics. Explain the long term effects of MRSA infection, and its burden on the general population.
Which are the following are common mechanisms that may occur and result in resistance of bacteria...
Which are the following are common mechanisms that may occur and result in resistance of bacteria to antibiotics? Check all that apply. Group of answer choices mutation that modifies antibiotic target prior exposure to biocides degradation or modification of antibiotic efflux or expulsion of antibiotic change from gram-positive to gram-negative cell wall
please help me to answer all these questions please please!!! Home Work Micro Fall 2019. Chapts...
please help me to answer all these questions please please!!!
Home Work Micro Fall 2019. Chapts 6 and 12 Answer 10 questions = 50 points 1. Every virus can infect any organism. True or False-Explain your answer. 2. Penicillinase enzyme produced by drug resistant bacteria makes them resistant to penicillin. How it works. How some modified penicillin (like Amoxicillin or Ampicillin still kills penicillin resistant bacteria? 3. What is the difference between lysogeny and lytic cycle of a virus, explain....
Many antibiotics act to interfere with bacterial translation because of which of the following? Bacteria use...
Many antibiotics act to interfere with bacterial translation because of which of the following? Bacteria use different amino acids to make their proteins The protein component of bacterial ribosomes is different from human ribosomes The ribosomal RNA of bacteria use different bases than human RNA Bacteria don't have an endoplasmic reticulum for the ribosomes to dock onto
6. a. Explain why the antibiotics Gramicidin, Nonactin, and Valinomycin are toxic to bacteria. (You will...
6. a. Explain why the antibiotics Gramicidin, Nonactin, and Valinomycin are toxic to bacteria. (You will need to do some research since those antibiotics are not described by name in your textbook.) b. Which of the three antibiotics listed in 6a above are less effective at lower temperatures? Explain your answer. 7. Generally speaking, most cells do not have proteins whose sole function is to actively transport water into or out of the cell. Why?
3. How are broad- and narrow-spectrum antibiotics different? 4. What is a "zone of inhibition?" 5. How does the Kirby-Bauer test help determine the effectiveness of various antibiotics in t treating a patient with a bacterial infection?
5. Beta-lactam antibiotics are the major antibiotics. Where they act? Name two different types of antibiotics which fall in this category. Explain where they resemble and where they differ. 6. Penicillin and Tetracycline; which one is narrow spectrum and which one is broad spectrum and why-explain. 7. There are two types of antibiotics which act on membrane. Name one member of each type. Why one antibiotics of this group exclusive works on fungus/protists and not on bacteria. 8. Many antibiotics...
help please
HULUH Dallerld. 8. Many antibiotics inhibit protein synthesis. They should be narrow or broad spectrum antibiotics and why? Name 3 of them and explain how/where they work (site of action). 9. Usually, how many ways bacteria becomes drug resistance-explain. 10. What is Kirby-Bauer test and what it is used for? Explain the process. 11. Why animal viruses have envelope, explain with example. 12. What is the basic difference between infection by phage and an animal virus, explain? 13....
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of these antibiotics would be classified as broad-spectrum antibiotics? lics? (will kill both 5a. Ampicillin is a form of penicillin. If the zone of inhibition for a susceptible strain of E. coli is mm, and for a strain of S. aureus is 29 mm, which one is inhibited by the lower concentration or ampicillin? 5b. Would you need a higher dose of ampicillin to cure...
please help me to answer all these questions please please!!!
Home Work Micro Fall 2019. Chapts 6 and 12 Answer 10 questions = 50 points 1. Every virus can infect any organism. True or False-Explain your answer. 2. Penicillinase enzyme produced by drug resistant bacteria makes them resistant to penicillin. How it works. How some modified penicillin (like Amoxicillin or Ampicillin still kills penicillin resistant bacteria? 3. What is the difference between lysogeny and lytic cycle of a virus, explain....
Many antibiotics act to interfere with bacterial translation because of which of the following? Bacteria use different amino acids to make their proteins The protein component of bacterial ribosomes is different from human ribosomes The ribosomal RNA of bacteria use different bases than human RNA Bacteria don't have an endoplasmic reticulum for the ribosomes to dock onto
6. a. Explain why the antibiotics Gramicidin, Nonactin, and Valinomycin are toxic to bacteria. (You will need to do some research since those antibiotics are not described by name in your textbook.) b. Which of the three antibiotics listed in 6a above are less effective at lower temperatures? Explain your answer. 7. Generally speaking, most cells do not have proteins whose sole function is to actively transport water into or out of the cell. Why?
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