Which activity is an example of biotechnology?
A. Bacteria in the soil secrete an antibiotic to kill competitors.
B. Public health officials monitor diseases in a community.
C. Humans use yeast to make beer and wine.
D. A microbiologist uses a microscope to study bacteria.
E. Mycobacterium tuberculosis causes tuberculosis in the lungs.
Answer: C
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Four of the five answers listed below are related by the "type" of blood they carry. Select the
exception. a. pulmonary artery b. aorta c. hepatic portal vein d. inferior vena cava e. jugular vein
Sterilization by filtration removes microbes from heat-sensitive liquids and circulating air. The type of microbe removed depends on the
A) pH of the liquid. B) temperature of the liquid. C) temperature of the air. D) pore size of the filter.
Candida is another name for
a. baker’s yeast. b. brewer’s yeast. c. slime molds. d. yeast that can cause vaginal infections
What is one component that is needed to perform a PCR?
A. primers B. DNA ligase C. RNA polymerase D. deoxynucleoside triphosphates