Description : The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as A- selective medium B- enrichment medium C- differential medium D- none of these
Last Answer : differential medium
Description : When a substance is added to a liquid medium which inhibits the growth of unwanted bacteriaand favors the growth of wanted bacteria, it is known as A- differential medium B- enriched medium C- enrichment medium D-selective medium
Last Answer : enrichment medium
Description : Example of anaerobic medium a. Wilson blair medium b. Mac conkey broth c. Robertson’s cooked meat medium d. EMB agar
Last Answer : Ans: C
Description : What is a medium that contains ingredients that inhibit the growth of some organisms while allowing the growth of others? a. Differential b. General purpose c. Enriched d. Selective e. All the above
Last Answer : d. Selective
Description : A medium would involve the addition of the antibiotic methicillin to identify methicillin-resistant bacteria. a. differential b. selective c. thioglycollate d. VBNC
Last Answer : b. selective
Description : _____ is an example of a differential stain technique. a. Simple staining b. Negative staining c. Contrast staining d. Gram staining
Last Answer : d. Gram staining
Description : Stuart's transport medium is used for transport of specimen containing A- Neisseria gonorrhoeae B- Salmonella C- Vibrio cholera D- Shigella
Last Answer : Neisseria gonorrhoeae
Description : If the carbon source in a growth medium is beef extract, the medium must be an example of a/an medium. a. complex b. chemically defined c. enriched d. synthetic
Last Answer : a. complex
Description : Where is the most ATP produced in cellular respiration? a. Fermentation b. Electron Transport Chain c. Glycolysis d. Citric Acid Cycle
Last Answer : b. Electron Transport Chain
Description : The electron transport chain is directly involved with a. ATP Synthesis b. CO2 Production. c. H + Pumping d. Generating Oxygen Gas.
Last Answer : a. ATP Synthesis
Description : The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase
Last Answer : A.substrate-level phosphorylation
Description : Most of the energy in aerobic respiration of glucose is captured by A- substrate-level phosphorylation B- electron transport of electrons from NADH C- long-chain fatty acid oxidation D- the enzyme formic-hydrogen lyase
Last Answer : electron transport of electrons from NADH
Description : By which of the following means antifungal chemotherapeutic agents may affect fungi? A- Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis B- ... membrane-bound enzymes like thoseinvolved in nutrient transport and chitin synthesis D- all of these
Last Answer : all of these
Description : Which of the following transport bacterial DNA to other bacteria via bacteriophages? A- Conjugation B- Transduction C- Transformation D- Translation
Last Answer : Transduction
Description : Which of the following is exposed on the outer surface of a gram-negative bacterium?A- O-antigen of lipopolysaccharide (LPS) B- Polysaccharide portion of lipoteichoic acid (LTA) C- Braun lipoprotein D- .Electron transport system components
Last Answer : O-antigen of lipopolysaccharide (LPS)
Description : The bacterial cytoskeleton a. transport vesicle b. helps determine cell shape c. Is organized identical to its eukaryotic counterpart. d. Centers the nucleoid.
Last Answer : b. helps determine cell shape
Description : The movement of glucose into a cell occurs by a. Facilitated diffusion. b. Active transport. c. Simple diffusion. d. Phospholipid exchange.
Last Answer : b. Active transport.
Description : Which one of the following statements does NOT apply to Pilli? a. Pilli are made of protein. b. Pilli allow for attachment to surfaces. c. Pilli facilitate nutrient transport. d. Pilli contain adhesions.
Last Answer : c. Pilli facilitate nutrient transport.
Description : The butyric acid type of fermentation in acid or medium acid foods, with swelling of the containerby the carbon dioxide and hydrogen gas is caused by A.C. butyricum B.C. pasteurianum C.both (a) and (b) D.C. sporogenes
Last Answer : C.both (a) and (b)
Description : Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of A- high osmotic pressure B- low osmotic pressure C- moderate osmotic pressure D- high surface tension
Last Answer : high osmotic pressure
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 : In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by A- conjugal transfer by a self-transmissible plasmid B- generalized phage transduction C- natural transformation D- none of the above
Last Answer : natural transformation
Description : n lysogeny, A- a bacteriophage transfers bacterial DNA B- bacteria take up double stranded DNA from the environment C- DNA-degrading enzymes in the extracellular medium would stop the process D- a bacteriophage genome is integrated into the bacterial genome
Last Answer : a bacteriophage genome is integrated into the bacterial genome
Description : Selective media facilitate growth of only one kind of organism.Saboraud medium is used to selectively isolate A- coliform bacteria B- gram positive bacteria C- .yeasts D- acid fast organisms
Last Answer : .yeasts
Description : A medium containing crystal violet dye plus sodium deoxycholate will allow A- gram (-)ve intestinal bacteria to grow B- gram (+)ve intestinal bacteria to grow C- .aquatic bacteria to grow D- none of these
Last Answer : gram (-)ve intestinal bacteria to grow
Description : For the selection of lactobacilli present in cheddar cheese, the pH of the medium is Maintainedat A- 6.35 B- .5.35 C- 4.35 D- 5.75
Last Answer : .5.35
Description : Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above
Last Answer : all of the above
Description : To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at apH of A- 8.5 B-8.90 C-6.79 D- 3.5
Last Answer : 8.5
Description : A seed drill with mechanical seed metering device mainly consists of: Frame, Seed box, Seed metering mechanism, drive transmission system, Furrow openers, Covering device, ……, hitch frame and Transport wheels. b. Differential c. U.V joints d. None of the above.
Last Answer : Ans - a. clutch
Description : A _____ is a protein receptor on the surface of macrophages, dendritic cells, and endothelial cells that allow them to recognize foreign cell markers. a. Toll-like receptor (TLR) b. pathogen-associated c. Membrane attack complex (MAC) d. Natural killer cells (NK)
Last Answer : b. pathogen-associated
Description : MAC Address is the example of a. Transport Layer b. Data Link Layer c. Application Layer d. Physical Layer
Last Answer : b. Data Link Layer
Description : Can you have genuine representative government in a land where a route to self enrichment lies through a "successful" political career.
Last Answer : A genuine representative government is the real American dream which if it isn't realised as intended will become the American nightmare. You are ruled by an aristocracy of billionaires and if you are ... has become a disgrace. This goes beyond party politics which is itself part of the problem.
Description : How do I find personal enrichment classes in my community?
Last Answer : I would go directly to the studio whether it be art,yoga,or self defense.Do the art classes,you know it’s the most fun! :)
Description : CFC a byproduct in uranium enrichment process?
Last Answer : I can't give you a direct quote about chlorine, fluorine and carbon, as I haven't taken this stuff in about 3 years. BUT, Nuclear plants aren't really 100% clean. They are better obviously than coal or gas ... any entry level college chem book .. I sold mine long ago or I'd look it up for ya).
Description : What is ‘enrichment plantation’? -Geography
Last Answer : Enrichment plantation” was carried out during the colonial period in India. When a particular species of trees which are commercially profitable are planted after the removal of other ... down natural forests Chirr Pine plantations which have replaced the Himalayan oak in the Himalayas
Description : Nutrient enrichment of water bodies causes
Last Answer : Nutrient enrichment of water bodies causes A. Stratification B. Eutrophication C. Succession D. None of the above
Description : Enrichment of uranium is made by :
Last Answer : Enrichment of uranium is made by : A. distillation B. diffusion C. evaporation D. bleaching
Description : The method used for the enrichment of sulphide ores of copper is
Last Answer : The method used for the enrichment of sulphide ores of copper is A. Mangetic Separation B. Froth floatation process C. Electro refining D. Smelting
Description : What factors job rotation job enlargement and job enrichment does Frederick Herzberg say motivate employees the most?
Last Answer : Need answer
Description : How might an enrichment culture be used to isolate bacteria capable of degrading pesticides and other hazardous wastes?
Last Answer : Feel Free to Answer
Description : What is the difference between conversion and enrichment ?
Last Answer : The process of converting the non fissile U 38 to fissile U-35 is also called Conversion . The material like U 38 which can be converted to a fissile material by the neutron flux is called ... .7% in natural uranium to to 4%. This is called enrichment and is accomplished in an enrichment plant.
Description : Enrichment of uranium is done to increase the concentration of__________ in the natural uranium. (A) U-238 (B) U-233 (C) U-235 (D) Pu-239
Last Answer : (C) U-235
Description : In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous (A) Uranium oxide (B) Uranium hexafluoride (C) Uranium carbide (D) Uranium sulphate
Last Answer : (B) Uranium hexafluoride
Description : What is Job enrichment?
Last Answer : Making the jobs more interesting and challenging one is known as job enrichment. It is used to motivate and satisfy the workforces in the work place.
Description : Write briefly (a)Allotropy (b) Nebula (c) Enrichment of Uranium (d) Aqua Regia (e) Greenhouse effect (f) Igneous rocks
Last Answer : (a)Allotropy existence of a chemical element in two or more different forms For example, the element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a ... igneous rocks have been described, most of them formed beneath the surface of the Earth's crust.
Description : Write briefly about any five of the following a. Nuclear radiation b. Theodolite c. Dialysis d. Enrichment of Uranium e. Richter Scale f. Aqua regia g. Iodized salt
Last Answer : a. Nuclear radiation Three are atomic nuclei of some elements that continuously emit some ultraviolet waves called radiation. When the process of radiation is stimulated through various nuclear processes ... , and at approximately the same level throughout the year, irrespective of economic level.
Description : A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are ... and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available
Last Answer : (D) The top and bottom compositions correspond to the maximum enrichment available
Description : The principle of enrichment of uranium is
Last Answer : Graham’s law of diffusion.
Description : How is the Graham’s law of diffusion useful in the enrichment of Uranium? Explain.
Last Answer : Graham’s law states that the rate of diffusion of a gas is inversely proportional to the square root of its molecular mass. This principle is used to separate by passing gaseous uranium through several stages of semi-permeable membrane.
Description : What is the need for enrichment of uranium?
Last Answer : Naturally occurring uranium contains about 0.7% of 92 U 235 isotope which is fissionable. Self stained chain reaction are not possible in natural uranium which is not possible in natural uranium which is mostly made up of isotope 92 U 238