Description : Bacterial cells in biofilms can communicate with each other through a. osmosis b. quorum sensing c. diffusion d. enzymes
Last Answer : b. quorum sensing
Description : How can biofilms can be useful? a. preventing tooth decay b. keeping surgical sites sterile c. bioremediation d. A-C are correct
Last Answer : c. bioremediation
Description : A quorum sensing system A- .detects a signal from the external environment B- B.senses a compound produced by the bacterium itself C- consists of a sensor component that phosphorylates a regulatory protein D- .controls the activity of ribosomes directly
Last Answer : B.senses a compound produced by the bacterium itself
Description : Some scientists‘ estimate that in nature, _____ of all microbial activities occur in biofilms. a. 0.25 b. 0.33 c. 0.45 d. 0.6 e. 0.99
Last Answer : e. 0.99
Description : _____ bacteria live as individuals and do not live in biofilms. a. Planktonic b. Anaerobic c. Aerobic d. Facultative anaerobic
Last Answer : a. Planktonic
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 : _____ is when an antimicrobial drug should harm the infectious agent but not the host. a. Selective toxicity b. Toxic dose c. Therapeutic dose d. Chemotherapeutic index
Last Answer : a. Selective toxicity
Description : The rapid plasma reagin test and VDRL test are both used _____. a. In The Diagnosis Of Syphilis. b. To Detect Toxic Shock Syndrome. c. To Gauge The Extent Of Dental Decay. d. To Distinguish Ureaplasmal And Mycoplasmal Urethritis.
Last Answer : a. In The Diagnosis Of Syphilis.
Description : In children, this skin disease is characterized by the production of thin-walled blisters oozing a yellowish fluid and forming yellowish- brown flakes. a. Toxic shock syndrome b. Scalded skin syndrome c. Erysipelas d. Impetigo
Last Answer : d. Impetigo
Description : What is the function of the cell envelope? a. growth and reproduction b. protection from osmotic pressure c. sensing and responding to the environment d. acquiring nutrients
Last Answer : b. protection from osmotic pressure
Description : Intracellular organization in bacterial and archaeal species is centered a. Compartmentation of metabolism. b. Growth and reproduction. c. Sensing and responding to environment. d. All the above (A—C) are correct.
Last Answer : d. All the above (A—C) are correct.
Description : Why are they not using bioremediation on the Gulf oil spill ? Evidently these are naturally occuring microbes, available in powdered form, which feed on the oil and digest it into harmless compounds.
Last Answer : answer:I'm not a scientist, but the site you linked does say The microbes are simply mixed with water and sprayed on the oil as it reaches the calmer waters near shore or on shore itself. That could be ... before all the oil gets to the shore and it can get to the water that's under the surface.
Description : A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of (a) Trichoderma (b) Xanthomonas (c) Bacillus (d) Pseudomonas.
Last Answer : (d) Pseudomonas.
Description : What is your preference in regards to these fish aquariums?
Last Answer : Knowing your style, I’d say the Life (last one) would go nicely in your place. Cool choices! I don’t think you would go wrong with any of them
Description : Why are fish aquariums so soothing?
Last Answer : Like this
Description : content:
Last Answer : There are a large number of plants that do well in low light aquariums. Here's a short list of names of some of them: Java Moss, Narrow Leaf Java Fern, Pennywort, Guppy Grass, Water ... Parrots Feather. When purchasing plants at your supplier, be sure to mention that your aquarium is low light.
Description : Isoniazid has a very narrow drug spectrum as the active form of the drug specifically interferes with cell wall synthesis in _____ by inhibiting the production of mycolic acid in the cell wall. a. Staphylococcus b. Streptococcus c. Enterococcus d. Mycobacterium
Last Answer : d. Mycobacterium
Description : When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct
Last Answer : d. A-C above are correct
Description : The concentration of an antibiotic causing harm to the host is called a. Toxic dosage Level. b. Therapeutic dosage level. c. Minimal inhibitory concentration. d. Chemotherapeutic index.
Last Answer : a. Toxic dosage Level.
Description : Cytotoxic T cells release which 2 toxic proteins as they fight target cells? a. histamine and heparin b. perforin and granzymes c. interleukin and interferon d. lysozymes and cytokines
Last Answer : b. perforin and granzymes
Description : Newborns exposed to Chlamydia trachomatis from an infected mother may experience a. Toxic Shock Syndrome or Staphylococcal Skin Disease. b. Dental Caries When the Teeth Grow In. c. Destruction of the Reproductive Organs. d. Disease of the Eyes or Lungs.
Last Answer : d. Disease of the Eyes or Lungs.
Description : Woolsorter disease applies to the form of a. inhalation; tularemia b. toxic; myonecrosis c. intestinal; anthrax d. inhalation; anthrax
Last Answer : d. inhalation; anthrax
Description : Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these
Last Answer : D.all of these
Description : Sensing organs as input, mechanical movement organs as output and central nervous system (CNS) in brain as control and computing devices is known as _____ of human being A. Information Control Paradigm B. Information Processing Paradigm C. Information Processing Control D. None of above
Last Answer : B. Information Processing Paradigm
Description : Which one has been genetically modified to help in bioremediation
Last Answer : Which one has been genetically modified to help in bioremediation A. Pseudomonas B. Xanthomonas C. Nitrosococcus D. Trichoderma
Description : Trichoderma harzianum has proved a useful microorganism for (a) gene transfer in higher plants (b) biological control of soil-borne plant pathogens (c) bioremediation of contaminated soils (d) reclamation of wastelands.
Last Answer : (b) biological control of soil-borne plant pathogens
Description : The process of use of microorganism to remove salts from soil is referred as (A) Chelation (B) Bioremediation (C) Oxidation (D)Phyto – remediation
Last Answer : (B) Bioremediation
Description : Treatment of the hazardous substances in the environment with the help of living organisms is called as a. Bioremediation b. Waste management c. Waste control d. Biodegradation
Last Answer : a. Bioremediation
Description : In bioremediation, bio-films are usually used a. At the source of pollutant b. After collection of pollutant c. After treatment of pollutant d. Before pollutant is produced
Last Answer : a. At the source of pollutant
Description : The most effective agents of bioremediation at ultra level will be a. Plants b. Worms c. Bacteria d. Insects
Last Answer : c. Bacteria
Description : Which one of the following is NOT a function of kidney - (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4)Regulation of osmotic pressures of the blood
Last Answer : (3) Production of antibodies Explanation: Kidneys are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid-base balance, and ... diverted to the urinary bladder whereas the antibodies are produced by antigens in the cell.
Description : Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer
Last Answer : (2) Biological control of crop diseases Explanation: Mushroom cultivation has been found to coincide with decrease of incidents of breast cancer. Spent residues after cultivation could ... production; and agricultural waste recycling can be achieved through controlled cultivation of mushrooms.
Description : Mushroom cultivation is not useful in – (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer
Last Answer : (2) Biological control of crop diseases
Last Answer : Biological control of crop diseases
Description : Which one of the following is NOT a function of kidney ? (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4) Regulation of osmotic pressures of the blood
Last Answer : Production of antibodies
Description : Ethylene oxide can be used toa. Kill Bacterial Spores. b. Clean Wounds. c. Sanitize Work Surfaces. d. Treat Water Supplies.
Last Answer : a. Kill Bacterial Spores.
Description : What is meant by the term Quorum? Or Explain the term Quorum. -SST 10th
Last Answer : The term Quorum refers to the maximum number of members required to be present for the Parliamentary procedure.
Description : What is the Quorum of the Lok Sabha? -SST 10th
Last Answer : The Quorum of the Lok Sabha is one-tenth of total number of members.
Last Answer : Quorum is the minimum qualification for sitting in Parliament. The quorum is made up of 60 members.
Description : when a quorum is broken can motions be made?
Last Answer : Need Answer
Description : Quorum is required throughout the meeting.
Last Answer : Justify the following statement. Quorum is required throughout the meeting.
Description : State the provisions regarding Quorum.
Last Answer : State the provisions regarding Quorum.
Description : What is a quorum?
Last Answer : What is a quorum?
Description : The Quorum for the Annual General Meeting of a public company depends upon the number of shareholders.
Last Answer : Justify the following statement: The Quorum for the Annual General Meeting of a public company depends upon the number of shareholders.
Description : Justify the following statement: Annual General Meeting is adjourned in absence of a quorum.
Last Answer : Justify the following statement: Annual General Meeting is adjourned in absence of a quorum.
Description : Explain the following concept: Quorum
Last Answer : Explain the following concept: Quorum
Description : Arrange in proper order: (a) Drafting Minutes (b) Sending notice (c) Confirming quorum
Last Answer : Arrange in proper order: (a) Drafting Minutes (b) Sending notice (c) Confirming quorum
Description : What is the quorum of general meetings in the case of private limited company and public limited company ? (A) 2 members and 5 members respectively (B) 3 members and 5 members respectively (C) 5 members in each type of company (D) 5 members and 7 members respectively
Last Answer : Answer: 2 members and 5 members respectively