Which of the following are antibiotics? X-gal and IPTG haemolysin Escherichia coli pBluescript EcoRI DH5α kanamycin ampicillin pK184 PstI hlyA.
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Which of the following are antibiotics?
X-gal and IPTG
haemolysin
Escherichia coli
pBluescript
EcoRI
DH5α
kanamycin
ampicillin
pK184
PstI
hlyA.
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Solved in 2 steps
- Clostridium difficile infection is the leading causeof hospital-associated gastrointestinal illness. It is typicallytreated with a course of antibiotics, but the infection recursin about 20% of cases. C. difficile infections are difficult toeradicate because the bacteria exist in two forms: a repli-cating, toxin-producing form and a spore form that is resis-tant to antibiotics. Fecal microbiota transplantation—thetransfer of normal gut microbiota from a healthy individ-ual—can resolve >90% of recurrent infections, a much bet-ter cure rate than further antibiotic treatment alone. Whydo you suppose microbiota transplantation is so effective?A patient has bloody diarrehea and takes left over penicllin in a medicne cabinet. The culprit causing the infection turns out to be E. coli of a hemorrahgic variety that is Penicllin resistant. Why is the patient is worse condition now?which organism most easily causes an infection? a. shigella - ID50-10 b. legionella pnemiphila - ID20-1 c. E.coli 0156-20 d. Treponema pallidum - ID50-57 e. can't tell
- which of the following antibiotics is not bactericidal? a. vancomycin b.polymyxin b c. penicillin d. cephalosporins e. tetracyclineAntibiotics are derived from all the following except: a) Penicillium b) Bacillus c) Staphylococcus d) Streptomyces e) CephalosporiumWhich of the following is halotorelant? E. coli Staphylococcus Proteus Klebsiella
- What makes bacterial diseases such as Clostridium botulinum, Clostridium perfringens & Clostridium tetani very effective to cause infection in a human host?Agar- agar is obtained from --------a) Ulothrixb) Spirogyrac) Gracillariad) NostocWhich of the following common causes of healthcareassociated infections is an environmental organism that grows readily in nutrient-poor solutions?a) Enterococcusb) Escherichia colic) Pseudomonas aeruginosad) Staphylococcus aureus
- microbiology asap Which of the following foodborne pathogens results in intestinal rupturing, internal bleeding, and septicemia as a result of M-cell invasion and systemic distribution by macrophages? Salmonella typhimurium B. Vibrio cholerae C. Salmonella typhi D. Campylobacter jejuniWhich of the following bacteria possesses a spherical shape?a) E. colib) Bacillus anthracisc) Spirilum minusd) Escherichia colie) Staphylococcus aureusMatch the PAMP to the type of pathogen it is specific to. 1) Peptidoglycan 2) Lipopolysaccharides 3) RNA 4) DNA Here is the options: a) Gram-negative bacteria b) Viruses c) Gram-positive bacteria