Which category of media can be described as containing some factor or factors that allow colonies of one bacterial species or type to exhibit certain metabolic or culture characteristics that can be used to distinguish them from other bacteria growing on the same agar plate?
a. Enrichment
b. Supportive
c. Selective
d. Differential
D
Many different types of media exist and serve different purposes in clinical microbiology. Some types are differential in that they allow the discrimination of microorganisms on the basis of cer-tain growth characteristics.
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Tuna are captured commercially using:
a. traps. b. purse seines. c. fishing poles. d. beach seines. e. bottom trawlers.
Because incidence takes into account both old and new cases, it is an indicator of the spread of a disease.
A) True B) False
While a backhoe operator is helping to clear land that will be used for a poultry farm, the equipment opens up a hidden chamber in which old electrical transformers have been buried. The operator knows that transformers contain PCBs. Why should this
person warn the owners of the land? What will be an ideal response?
Breathing can be described as which of the following?
a. internal and external process b. both voluntary and involuntary c. voluntary only d. involuntary only