Microbiology

Microbiology Study Guide

42. __________________ is how canning preserves food. a. Radiation b. Aseptic packaging c. Chemical preservatives d. Heating 43. Transformation is the transfer of DNA from a donor to a recipient cell __________________. a. By sexual reproduction b. By a bacteriophage c. By cell-to-cell contact d. As naked DNA in solution 44. The __________________ sewage treatment process produces BOD-containing effluent which is used for irrigation. a. Primary b. Secondary c. Tertiary d. B and C 45. Autoimmunity is due to __________________. a. IgE antibodies b. IgG and IgM antibodies c. IgD antibodies d. IgA antibodies 46. The term “epidemic” is used to describe when a fraction of the population has a disease at a specified time. a. True b. False 47. __________________ may result from systemic anaphylaxis. a. Hives b. Asthma c. Shock d. All of the above

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