Description : Psychrophilic bacteria species grow well at 10 degrees C, while mesophilic bacteria species grow well at _____ degrees C. a. 37 b. 50 c. 75 d. 98
Last Answer : a. 37
Description : The thermal death time is a. The Time To Kill A Microbial Population At A Given Temperature. b. The Time To Kill A Microbial Population In Boiling Water. c. The Temperature To Kill All Pathogens. d. The Minimal Temperature Need To Kill A Microbial Population.
Last Answer : a. The Time To Kill A Microbial Population At A Given Temperature.
Description : An attenuated vaccine is one that a. Can provide life-long immunity. b. Contains live microbes or viruses. c. Is closest to the natural pathogens. d. All the above (a-c) are correct.
Last Answer : d. All the above (a-c) are correct.
Description : The formation of _____ by_____ directly lyses and kills pathogens. a. Membrane Attack Complexes, complement b. Inflammation, lymph nodes c. antibodies, plasma cells d. Plasma cells, B cells
Last Answer : a. Membrane Attack Complexes, complement
Description : _____ responds to, distinguishes between and remembers specific pathogens it has encountered. a. Acquired immunity b. Innate immunity c. Humoral immunity d. Cell-mediated immunity
Last Answer : a. Acquired immunity
Description : TH1 cells activate a. B cells. b. Killing of pathogens in macrophages. c. Cytotoxic T cells. d. Humoral immunity.
Last Answer : d. Humoral immunity
Description : Which of the following is a barrier to entry of pathogens? a. the skin b. tears c. nasal mucosa d. A-C are correct
Last Answer : d. A-C are correct
Description : Which one of the following statements is NOT true of innate immunity? a. It is an early-warning system against pathogens. b. It is a form of immunity found only in vertebrates. c. It is a nonspecific response. d. It responds within minutes to many infections.
Last Answer : b. It is a form of immunity found only in vertebrates.
Description : The site where a pathogen enters the body is commonly called the _____ while the number of pathogens necessary to establish an infection is the _____. a. Penetration Point; Dose b. Penetration Point; Acme c. Portal Of Entry; Dose d. Portal Of Entry; Acme
Last Answer : c. Portal Of Entry; Dose
Description : The process of destroying pathogens on an object is _____. a. Disinfection b. Sanitization c. Sepsis d. Antiseptic
Last Answer : a. Disinfection
Description : Hdrogen peroxide a. Is An Effective Sterilant. b. Cross-Links Proteins And Nucleic Acids. c. Can Emulsify And Solubilize Pathogens. d. Is Not Recommended For Use On Open Wounds.
Last Answer : a. Is An Effective Sterilant.
Description : The elimination of pathogens in foods by irradiation is called a. The D Value. b. The Pasteurizing Dose. c. Incineration. d. Sterilization.
Last Answer : b. The Pasteurizing Dose.
Description : Optimum growth temperature is greater that 45oC is a. Mesophiles b. Thermophiles c. Psychrophiles d. None of these
Last Answer : Ans: A
Description : Bacteria growing at moderate temperature are — bacteria a. Thermophilic b. Mesophilic c. Psychrophilic d. None of these
Last Answer : b. Mesophilic
Description : Immunological tolerance to ―self‖ is established by a. Destruction of self-reactive lymphoid cells. b. Clonal anergy. c. Clonal deletion. d. All the above (A—C) are correct.
Last Answer : d. All the above (A—C) are correct.
Description : The ability of Vibrio fischerito produce bioluminescence chemicals only when a certain population density has been reached is an example of A.Liebig's law of the minimum B.Shelford's law of tolerance C.quorum sensing D.Heisenberg's principle of uncertainty
Last Answer : C.quorum sensing
Description : Induction of tolerance mechanism(s) is/are A- Suppression B- clonal deletion C- .clonal anergy D- all of these
Last Answer : all of these
Description : Which of the following statements is/are not correct with respect to the Constant Mix Strategies' of asset allocation? I. Investors adopting these strategies tend to maintain an exposure to stocks that are in constant ... strategies. A. Only (I) above B. Only (II) above C. Only (III) above
Last Answer : C. Only (III) above
Description : Metabolic actions of estrogens tend to cause the following except: A. Anabolism B. Impaired glucose tolerance C. Rise in plasma LDL-cholesterol D. Salt and water retention
Last Answer : C. Rise in plasma LDL-cholesterol
Description : what is the scientific name for thermophiles? -Biology
Last Answer : answer:
Description : How do thermophiles grow?
Last Answer : it grows in moist coniton in geothermal vents
Description : What domain do thermophiles belong to?
Last Answer : Feel Free to Answer
Description : Most pathogenic bacteria are classified as ____. a. psychrotrophic c. psychrophilic b. thermotrophic d. mesophilic
Last Answer : d. mesophilic
Description : ____ organisms tolerate low temperatures and can grow under refrigeration. a. Psychrophilic c. Psychrotrophic b. Mesophilic d. Thermotrophic
Last Answer : c. Psychrotrophic
Description : Microbes that prefer cold temperatures are ____. a. mesophilic c. psychrophilic b. thermophilic d. obligative
Last Answer : c. psychrophilic
Description : Source of antibiotic resistance genes for human pathogens. -Biology
Description : . A project is typically defined in terms of scope, time, cost and which other parameter? a. Benefits. b. Quality. c. Tolerance. d. Controls.
Last Answer : b. Quality.
Description : A project is typically defined in terms of scope, time, cost and which other parameter? a. Benefits. b. Quality. c. Tolerance. d. Controls.
Description : Treponema species from human oral cavity can be selected by using A- pH of the medium B- .incubation temperature C- cell size and motility D- all of these
Last Answer : cell size and motility
Description : Which of the following terms does NOT describe fungal nutrition? a. Heterotrophic b. Saprobes c. Decomposers d. Chemolithotrophs
Last Answer : d. Chemolithotrophs
Description : Which of the following terms best fits the destruction of all living micobes, spores and viruses. a. Sanitization b. Sterilization c. Aseptic Technique d. Pasteurization
Last Answer : b. Sterilization
Description : All the following terms apply to microbial killing except: a. Sterilization. b. Microbicidal. c. Bactericidal. d. Fungistatic.
Last Answer : d. Fungistatic
Description : The terms mycelium and hyphae are associated with A- algae B- fungi C- protozoa D- viruses
Last Answer : fungi
Description : The ordinary and maximum tolerance limit of sound by human being is – (1) 50 db to 70 db (decibel) (2) 60 db to 80 db (decibel) (3) 65 db to 75 db (decibel) (4) 70 db to 85 db (decibel)
Last Answer : (2) 60 db to 80 db (decibel) Explanation: Normal speech is about 60 dB (decibels). A dangerous sound is anything that is 80 dB or higher which can lead to hearing loss. At 70 dB or ... the risk of harm to healthy ears is negligible. Listening to sound above 80 decibels can cause profound deafness.
Description : The ordinary and maximum tolerance limit of sound by human being is (1) 50 db to 70 db (decibel) (2) 60 db to 80 db (decibel) (3) 65 db to 75 db (decibel) (4) 70 db to 85 db (decibel)
Last Answer : 60 db to 80 db (decibel)
Description : What is the cold tolerance temperature for Texas purple sage?
Last Answer : Need Answer
Description : Many blue-green algae occur in thermal springs (hot-water springs). The temperature tolerance of these algae have been attributed to their (a) mitochondrial structure (b) importance of homopolar bonds in their proteins (c) cell wall structure (d) modern cell organization.
Last Answer : (c) cell wall structure
Description : Fungal parasites and pathogens. -Biology
Description : Name two opportunistic pathogens infecting AIDS patients. -Biology
Description : What one word completes the sentence white blood cells help to defend against infection by producing antitoxins and by ingesting pathogens. they also produce _____ that help defend against infection.?
Last Answer : Antitoxins
Description : Which of the following pathogens is not transmitted by a vector
Last Answer : Which of the following pathogens is not transmitted by a vector A. Salmonella typhi B. Alpha virus C. Plasmodium D. Wuchereria bancrofti
Description : Poultry fowl are susceptible to the following pathogens
Last Answer : Poultry fowl are susceptible to the following pathogens A. Viruses B. Bacteria C. Fungi D. All of the above
Description : How does the cilia and mucus protect the body from pathogens?
Last Answer : Need answer
Description : What does pathogens include?
Description : How does saliva prevent pathogens?
Last Answer : Saliva contains an enzyme that breaks down the cell wall of manybacteria destroying them.
Description : Are bacteria viruses and rickettsia pathogens?
Last Answer : They all can be, but not all bacteria ec cause disease and someare symbiotes.
Description : How does the skin defend against pathogens?
Description : Do Pathogens can enter the body by way of air water and food?
Description : What action can limit the transmission of pathogens by animal vector?
Last Answer : What is the answer ?