Description : The elimination of the scum of yeasts in the brine during the fermentation include A.agitation of the surface B.addition of the mustard oil C.addition of the sorbic acid D.all of these
Last Answer : D.all of these
Description : If cells can use oxygen in cellular respiration it is called _____. a. Anaerobic Respiration b. Alcoholic Fermentation c. Acid Fermentation d. Aerobic Respiration
Last Answer : c. Acid Fermentation
Description : All the following characteristics apply to fungi except: a. There may be 1.5 million species. b. They lack chlorophyll. c. They include molds and yeasts. d. They are prokaryotic microorganisms.
Last Answer : d. They are prokaryotic microorganisms.
Description : The chief type of spoilage in sweetened condensed milk may be A.gas formation by sucrose fermenting yeasts B.thickening caused by micrococci C.mold colonies growing on the surface D.all of the above
Last Answer : D.all of the above
Description : Truffles, morels and the many yeasts which are basic to fermentation processes belong to this group of fungi. These fung are known as: a) Phycomycetes b) Ascomycetes c) Basidomycetes d) Plyocetes
Last Answer : ANSWER: B -- Ascomycetes
Description : Fermentation of milk to curd is due to : (1) Mycobacterium (2) Staphylococcus (3) Lactobacillus (4) Yeasts
Last Answer : Lactobacillus
Description : A difference between molds and yeasts are that molds are _____ and yeasts are _____. a. Unicellular, filamentous b. Filamentous, unicellular c. Filamentous, hyphous d. Hyphous, filamentous
Last Answer : b. Filamentous, unicellular
Description : Which one of the following statements is true of fungal growth? a. Most fungi grow best at 37 degrees C. b. Most fungi, with the exception of yeasts, are anaerobic. c. Most fungi thrive under mildly acidic conditions. d. Most fungi grow in extreme environments.
Last Answer : c. Most fungi thrive under mildly acidic conditions.
Description : Yeasts of the species Saccharomyces a. Are Used In Bread Making. b. Reproduce By Budding. c. Are Members Of The Ascomycetes. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct.
Description : Which one of the following statements about fungi is NOT true? a. Some fungi are dimorphic. b. Fungi have cell walls made of chitin. c. Fungi are photosynthetic organisms. d. Fungi consist of the yeasts and molds.
Last Answer : c. Fungi are photosynthetic organisms
Description : Activated sludge contains large number of A.bacteria B.yeasts and molds C.protozoa D.all of these
Description : Which of the following (s) is/are the major spoilage of soft drinks from the marked growth of yeasts and bacteria? A.Cloudiness and ropiness B.Flat sour spoilage C.Superficial fungal spoilage D.Pin-spot molding
Last Answer : A.Cloudiness and ropiness
Last Answer : Cloudiness and ropiness
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 : Alcoholic fermentation is brought by? -Biology
Last Answer : answer:
Description : Explain alcoholic fermentation. -Biology
Description : Alcoholic fermentation is brought about the action of which thing? -Do You Know?
Description : How much amount of energy is released in lactic acid and alcoholic fermentation?
Last Answer : How much amount of energy is released in lactic acid and alcoholic fermentation?
Description : The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) Whisky contains high ... d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.
Last Answer : Ans:(b)
Description : Alcoholic fermentation is brought about the action of which thing?
Last Answer : Yeast
Description : In which one of the following processes CO2 is not released? (a) Aerobic respiration in plants (b) Aerobic respiration in animals (c) Alcoholic fermentation (d) Lactate fermentation
Last Answer : (d) Lactate fermentation
Description : Which of the following statements is false? (a) Diethyl ether has been used as a general anesthetic (b) Ethyl alcohol is present in all alcoholic beverages (c) Methyl alcohol is produced by fermentation of sugars (d) Ethylene glycol is a common antifreeze for automobiles
Last Answer : Methyl alcohol is produced by fermentation of sugars
Description : Competence refers to a bacterial cell's ability to a. Take Up DNA Fragments From The Environment. b. Be Infected By A Transducing Phage. c. Produce A Protein Product From An Engineered Gene. d. Undergo Conjugation With An F+ Cell.
Last Answer : a. Take Up DNA Fragments From The Environment.
Description : Which of the following statements is false regarding B cells? A- B cells can undergo class switching and produce a different antibody type B- B one marrow stem cells migrate to the thymus and ... D- B cells that recognize high concentrations of antigens (self) in the absence of other signals
Last Answer : B one marrow stem cells migrate to the thymus and develop into B cells
Description : Which of the following is correct for CD8 T cells? A- CD8 T cells only recognize virus-infected cells B- CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells ... selection only D- CD8 T cells can kill individual virus-infected cells in a contact dependent fashion
Last Answer : CD8 T cells can kill individual virus-infected cells in a contact dependent fashion
Description : The alcoholic content of beer is approximately _____. a. 0.02 b. 0.04 c. 0.06 d. 0.08
Last Answer : b. 0.04
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 : Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle
Last Answer : a. Oxidative Phosphorylation
Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol
Last Answer : a. Acid; Hydrogen Gas
Description : Which one of the following pairs is mismatched? a. Alcohol-fermentation b. Pyruvate-glycolysis c. Carbon dioxide-glycolysis d. NADH-citric acid cycle
Last Answer : c. Carbon dioxide-glycolysis
Description : In fermentation, the conversion of pyruvate into a final end product is critical for the production of a. CO2. b. glucose c. NAD. d. 02.
Last Answer : a. CO2.
Description : Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests? A.Decarboxylation of ornithine B.Fermentation of sucrose and cellobiose C.Motility at 22°C D.All of these
Last Answer : D.All of these
Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism
Last Answer : A.lysogeny
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 : The plasmid-mediated properties is/are A.fermentation of lactose B.production of enterotoxin C.resistance to antibiotics D.all of these
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 : The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is A- .60% B- 95% C- .70% D- 99%
Last Answer : 95%
Description : The plasmid-mediated properties is/are A- fermentation of lactose B- production of enterotoxin C- resistance to antibiotics D- all of these
Last Answer : all of these
Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.
Last Answer : c. Aerobic Respiration.
Description : The process of controlled heating, called__________ was used to keep wine from spoiling. a. curdling b. fermentation c. pasteurization d. variolation
Last Answer : b. fermentation
Description : What process was studied by Redi and Spaltanzani? a. Spontaneous generation b. Fermentation c. Variolation d. Antisepsis
Last Answer : a. Spontaneous generation
Description : Has anyone ever made bread using wild yeasts?
Last Answer : answer:I tried but I don’t think I’m in a yeasty area. I had quite the experiments going as I had failure after failure. I finally ended up using a bit of commercial yeast to get my starter going. It helped to have a bit of some sort of sugar to start.
Description : Assertion : both bacteria and yeasts multiply very fast to form huge polulation which express the desired gene
Last Answer : Assertion : both bacteria and yeasts multiply very fast to form huge polulation which express the desired gene A. correct B. not correct C. D.
Description : $ Yeasts form a pseudomycelium. ! Yeast are prokaryotic.
Last Answer : $ Yeasts form a pseudomycelium. ! Yeast are prokaryotic. A. If both As and R are correct and R is correct ... is wrong D. If both As and R are wrong.
Description : yeasts poison themselves to death when the concentration of alcohol reaches about _____
Last Answer : yeasts poison themselves to death when the concentration of alcohol reaches about _____
Description : Are Mushrooms and yeasts are my favorite kinds of fungi?
Last Answer : fungi