Specimens for Mycobacterium studies that require concentration, decontamination, or liquefac-tion include:
a. CSF and other body fluids.
b. sputum.
c. urine.
d. swabs and wound aspirates.
B
The majority of specimens submitted for mycobacterial culture consist of organic debris, such as mucin, tissue, serum, and other proteinaceous material, that is contaminated with organisms. A typical example of such a specimen is sputum.
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A. trailer B. promoter C. coding D. leader
All BUT which of these genotypes is a possible F1
gamete for a dihybrid cross between AA BB with aa bb? a. Aa b. Ab c. AB d. aB e. ab
Which of the following is NOT a characteristic of pUC19's usefulness as a cloning vector?
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Bacterial cells pick up free pieces of DNA that were secreted you live bacteria or released from dead bacteria in their environment this process is called
A) transformation. B) transduction. C) conjugation. D) infection. E) replication