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- Signature: Date: Roll No: Question. The has been gretly use of DDT curtailed for ecolagical reasons. In the offective past, it has prove d to be an malaria deterrent. Many organizations would like to this form of see mosquita contral resumed . Do Lor disagree i Esplain Answer "DDT (dichlbrodiphanyltichlarnethane)OOOOOP All of the following are true about gas gangrene EXCEPT: Caused by the anaerobic bacterium Clostridium perfringens The etiologic agent stays confined to the site of initial infection and does not damage or invade other tissues Infection is caused by endospores from the soil or other environmental sources Begins with interruption of blood supply to tissue, causing cell death The etiologic agent ferments carbohydrates, producing CO2 and H2Every year, supposedly safe municipal water supplies causeoutbreaks of enteric illness.a. How in the course of water analysis and treatment might thesepathogens be missed?b. Why is there less tolerance for a fecal coliform in drinking orrecreational water than for other bacteria?
- ITEM MSM MICROBIAL PROFILE I MICROORGANISM/CAUSATIVE AGENT A GRAM REACTION B OXYGEN REQUIREMENT с SIZE D SHAPE E HABITAT F DISCOVERY G MICROSCOPIC IMAGE DISEASE PROFILE DISEASE/S SYMPTOMS OF THE DISEASE с INCUBATION PERIOD D MODE OF TRANSMISSION E DIAGNOSIS F TREATMENT G PREVENTION H NO OF DAYS BEING SYMPTOMATIC I IMAGE OF INFECTED PATIENT HABCO А BACTERIA: Haemophilus ducreyi PROFILE Haemophilus ducreyiWhich can infect hur Table 1: Absorbance and appearance of broth tubes at various temperatures. E. colin B. stearothermophilus Temperature°C Absorbance Visual Absorbance Visual 4 0.04 Clear 0.06 Clear tre Light turbid Very turbid Almost clear 25 0.66 0.09 Clear Light turbid Very turbid 37 1.48 0.55 which 55 0.25 1.29 oledzethe mes he alhe ive to edeut et brahell bras atnstooinieib o ho leviviue zwolls ti saunWhich of the following diseases are associated with "Biofilms" * Select one or more than on answer Which of the following diseases is/are associated with "Biofilms" Select one or more: O a. cystic fibrosis O b. prosthetic joint infections O c. endocarditis O d. periodontal diseases O e. kidney stones Which of the following microorganisms require the major available (aW) of water to proliferate? Which of the following microorganisms requires the greatest amount of available water (aW) to grow? O Penicillium spp. O Xeromyces spp. O Escherichia coli Pseudomonas aeruginosa O Staphylococcus aureus Mention and describe the two types of bacterial resistance to antibiotics. Name and describe the two types of bacterial resistance to antibiotics. of A - lag
- When my environment dries out, i am capable of losing all the water from my body and surviving in this dormant state for many years in the chance that water may someday return. This unique truck I preform is called... 1.) Autohydro resuscitation 2.) Torpor 3.) Dessication 4.) Bioaqueous estivation 5.) Anhydrobiosis"Biodegradation of Diesel Oil Using Bacillus Isolates" Environmental pollution is now a worldwide burning issue. There are many places in the Philippines, which are now contaminated by petrochemical sources, such as petroleum refineries and storage sites, paint manufacturing plants, gasoline service stations, gas emissions, etc. (EMB-DENR, 1997). Although the basic solution to the pollution problem is the elimination of the sources of these pollutants, there are however overriding economic, social and political factors that must be considered. An attractive remedial measure is the use of pesticide-degrading microorganisms for the environmental clean-up. Bacteria of the genus Bacillus are a group of versatile microbes known to degrade complex organic matters refractive to most microorganisms. Several species produce enzymes that catalyze the breakdown of petroleum products in water as well as in oil. These bacteria may provide the means of eliminating unwanted pollutants in the…clostridium botulinum is a bacterium usually present in soil that may cause botulism. Briefly explain why one or few cells of a pathogenic bacterium, such as clostridium botulism, by itself typically does not secrete a toxin, despite the species as a whole being characterized as toxin producing.
- Match the description listed below to the correct bacterium. Grows in intestine of ruminants like cows. [Choose ] Can be found in raw milk. If ingested, can cause spontaneous miscarriage in women, neonatal sepsis and meningitis [Choose ] Listeria monocytogenes_ Can grow in high salt environments. Makes a Staphylococcus aureus_ heat stable enterotoxin Campylobacter_ When the toxin this pathogen makes is _Vibrio cholerae_ ingested, can cause "projectile vomiting" Streptococcus pyogenes_ Can grow as a mesophile in humans, but also can grow as a psychrophile in refrigerators [ Choose ] A leading cause of food-borne infections, grows on fecal contaminated raw poultry (e.g. raw chicken), forming a biofilm. A [Choose ] microaerophile Question 41 How can Clostridium tetani survive in aerobic environments?Signs and symptoms from this organism are as follows: Intense itching and a localized rash that may appear pimple-like O Bordetella pertussis O Streptococcus agalactiae O Streptococcus mutans O Sarcoptes scabiei Question 39 This organism produces dextrần which helps the pathogen form a biofilm and dent.Out of the 5 possible oxygen requirements (Obligate aerobes, microaerophiles- is E. coli, Pseudomonas aeruginosa, and Clostridium sporogenes? sketch below (or describe well with words), what growth would look like for each species in FTM tubes.