Which of the following compounds represents a peptidoglycan specific antibiotic ? A. tetracycline B. chloramphenicol C. penicillin D. aspirin

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Q: Based on the following image, which concentration of antibiotic would be considered the minimum…

A: Minimum bactericidal concentration (MBC) is defined as the lowest concentration in which an…

Q: Which medication could be used against gram-negative bacteria, gram-positive bacteria, chlamydias,…

A: Answer is b.)  tetracycline.

Q: Early principles of infection control are attributed to? O a. Louis Pasteur b. Edward Jenner O C.…

A: Louis Pasteur was a father of immunology as he introduced a clear concept of vaccination after…

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Q: Microbiology Exotoxins can be the following EXCEPT A) they are LPS/lipopolysacharride B) they are…

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Q: Which of the following is not part of Koch’s Postulates? a. A specific microorganism must be…

A: The ability of the microorganisms to causing disease is demonstrated by Robert Koch. It is developed…

Q: Cephalosporins resemble which antibiotic in their mode ofaction and their structure?(a)…

A: A type of antimicrobial substance that is active against bacteria is an antibiotic. It is the most…

Q: Bacteria such as Mycoplasma that lack cell walls are:(a) Sensitive to penicillin(b) Resistant to…

A: Bacteria are unicellular prokaryotic organisms which are devoid of membrane bound organelles and…

Q: The primary mechanism of antibacterial action of the penicillin involves inhibition of…

A: Penicillin is a generally utilised antibiotic recommended to treat staphylococci & streptococci…

Q: The following are the limitations of Koch's postulates EXCEPT: A. some pathogens cannot grow on…

A: For establishing a causative relationship between the disease and a microorganism, koch framed four…

Q: Plague has been successfully controlled by the use of streptomycin and tetracycline Why was this…

A: Plague is an infectious disease which is caused by Yersinia pestis. It is transmitted from rodents…

Q: explanation on how a cultured bacteria should be able to cause disease in healthy organism once…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Many antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein…

A: Introduction Antimicrobials are medications that treat diseases caused by microbes, these are agents…

Q: Which bacterium does not have gelatinase enzymes O A. Staphylococcus aureus B. Bacillus subtilis O…

A: Gelatin hydrolysis test is used to identify the bacteria which can digest or degrade the gelatin by…

Q: Which of the following would be considered broad-spectru,? a. vancomycin b. penicillin g c.…

A: ans :- option (a) is right  vancomycin

Q: A person in England arrives at a medical clinic with a fever and swollen lymph nodes shortly after…

A: The Gram negative bacterium, Yersinia pestis, is the causative agent of bubonic plague. Bubonic…

Q: he following are the steps, listed in random order, for utilizing koch's postulates. what should be…

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Q: Which of the following best explains why there is no growth on plate II? (a) The initial bacterial…

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Q: Mycobacterium tuberculosis is very difficult to stain because of the A) presence of ribosomes in…

A: Mycobacterium tuberculosis is a bacterial pathogen responsible for causing tuberculosis in human…

Q: Which of the following is not a factor in the rise of drug-resistantAcinetobacter baumannii?a. It is…

A: Acinetobacter baumannii is a gram-negative bacillus that is aerobic and non-motile. It is an…

Q: which of the folllwing would be considered broad-spectrum? a) penicillin V b) rifamycins c)…

A: A broad spectrum antibiotic is an antibiotic that follows up on the two significant bacterial…

Q: If you had another drug, Drug B, that the microbe was also susceptible too that was in every way…

A: A drug is a chemical substance that is used to treat any pathogenic, physiological or psychological…

Q: antibiotics is not bactericidal

A: Antibiotics are used as a safety measure against the attack of microorganisms. They disable the…

Q: Silver sulfadiazine is useda. in antisepsis of burns b. as a mouthwash c. to treat genital gonorrhea…

A: Silver compounds are used as disinfectants in medical devices and as ointments to prevent biofilm…

Q: 17.The suffix -ectomy means: A. removal, excision B. suspension C. hardening D. inspection 18.The…

A: A suffix is a word, letters, or syllables added towards the end of the word or root to change its…

Q: Which of the following statements is not correct for methanogens? (a) They are archaebacteria.

A: Methanogens: These are microorganisms which produce methane as a metabolic byproduct in hypoxic…

Q: an agent that is bacteriostatic

A: A bacteriostatic agent is a chemical/biological agent that inhibits or stops bacteria from…

Q: A compound synthesized by bacteria or fungi that destroys or inhibitsthe growth of other microbes is…

A: There are chemical as well as physical methods to control the microbe that kill the microorganism…

Q: A. How many people a year die due to insecticide misuse and exposure?  B. What does Bt stand for? C.…

A: Insecticide -----  Poisoning by insecticide , pesticides has been a severe public health problems…

Q: Which of the following antimicrobial drugs target DNA/RNA synthesis? a) Ciprofloxacin b) Sulfa…

A: The antimicrobial drugs that target DNA/RNA synthesis are quinolones which are a group of…

Q: Which genus of bacteria has pathogens that can cause blindness?a. Streptococcus b. Staphylococcus c.…

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…

Q: Antibiotic A: 0.5 kDa protein, targets peptidoglycan Antibiotic B: 20 kDa protein, targets…

A: INTRODUCTION An antibiotic is a sort of antimicrobial substance active against bacteria. it's the…

Q: Aflatoxins, the naturally occurring mycotoxins produced by molds cause DNA mutation by acting as a.…

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Q: what is the mechanism of action for penicillins? a. injury to plasma membrane b. inbibition of…

A: Penicillin  This antibiotic belongs to a group of antibiotics that are obtained from Penicillium…

Q: The most important factor in preventing infection in an open wound is Select one or more: а. a…

A: A wound can be best described as a break in the integrity of the skin or of the tissues that is…

Q: a) explain in your own words how to do a nitrate reduction test to identify unknown bacteria

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Q: Choose the combination of answers that most accurately completes the statement.Microbial resistance…

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Q: Make a comparison and contrast between Pseudomonas and Escherichia coli. Explain.

A: Bacteria are organisms that are found almost everywhere on earth and are free-living cells that are…