微生物填空(国外英文资料).doc

微生物填空(国外英文资料) In the long term bacteria (). A. the maximum number of bacteria is B C. reproduction and death balance d. form inconsistencies Most bacteria have the right PH (). A. 9.2-10.2.4.7-7.7-7.6 d. 6.7-7.6 Most bacteria are (). A. facultative respiratory bacterium b. aerobic c. anaerobic bacteria d. obligate anaerobic bacteria The following () enzyme which belongs to the bacteria. A. respiratory enzymes b. oxidase reductase Pathogenic bacteria belong to (). A. c. c. c. c. c. c. c. c. c. c. c. The function of the bacterial capsule is mainly (). A. protect bacterial cell b. maintain A bacterial appearance C. resist swallowing D The substance associated with heat resistance is mainly (). A. glucose b. starch c. d The following statement is incorrect (). A. autotrophic bacteria can synthesize protein b. heterotrophic bacteria cant make proteins C. the breathing of bacteria is similar to that of animals. Some bacteria can carry on photosynthesis The following statement is true (). A. bacteria are unicellular microorganism b. bacteria have only one nucleic acid C. bacteria digest the nutrients in vitro. The bulk of the weight is water Facultative bacteria (). A. there is A more complex breathing enzyme system b. both can be the only source of carbon C. it is the true nuclear microorganism d. aerobic, aerobic and aerobic, both can be used for breathing and development It is necessary () when applying low temperature to preserve microorganisms. A. slow freezing b. freeze-thaw c. quickly freeze d. slowly melt The best way to preserve bacterial species and viruses is (). A. freeze-dried b. freeze-dried c. cultivated d. change.kept The virus is a small, small () organism. A. there is A nuclear B. Prokaryotic monocyte c. non-cellular form d. can produce A capsular Interferon is a kind of (). A. polysaccharide Actinomycetes are a () microorganism. A. multicellular b. single cell c. true nuclear d. non-cell Spirals can move because they have (). A. flagellate b. bend c. el