An individual contracts Lyme disease. In this case, how did transmission occur?
A) inhalation
B) exposure to infected body fluids
C) an intermediate host
D) ingestion
C
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For any two genes located on the same autosome, the frequency of recombination has an upper limit of 50%
A. true B. false
The region of the cell bounded by the plasma membrane is the ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a mechanism by which antibodies can protect the body from foreign
antigens?
a. neutralization b. agglutination c. stimulation of cytotoxic T cells d. enhancing of phagocytosis e. activation of complement
All of the following are associated with the streak plate method of isolation EXCEPT:
a) a solid medium in a Petri dish b) colonies growing at and below the surface of the medium c) a sterile inoculating loop or needle d) isolation of CFU's from one another