The most commonly isolated mycobacterium in the United States is:
a. M. tuberculosis.
b. M. bovis.
c. Mycobacterium avium-intracellulare.
d. Mycobacterium paratuberculosis.
C
Mycobacterium avium complex (MAC) is an important pathogen in immunocompromised and immunocompetent populations. This agent is among the most commonly isolated NTM species in the United States, particularly in its potentially pathogenic role in pulmonary infections in pa-tients with acquired immunodeficiency syndrome (AIDS) and patients who are non-HIV in-fected.
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Answer the following statement true (T) or false (F)
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Fill in the blank(s) with correct word
One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this alteration called?
A) deletion B) inversion C) translocation D) duplication
How were researchers able to determine whether hemimethylation inhibited replication or if initiation required full methylation of the Dam target sites in E. coli?
What will be an ideal response?