MRSAs are Staphylococcus aureus strains that are
A. resistant to mupirocin
B. responsive to mupirocin
C. resistant to penicillin derivatives
D. responsive to penicillin derivatives
E. related to Streptococcus pyogenes
Answer: C. resistant to penicillin derivatives
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If two phenotypically normal parents have six children, and two daughters and two sons have the same genetic
disorder, that disorder is most likely to be ____. a. hemophilia b. cystic fibrosis c. Marfan syndrome d. muscular dystrophy e. color blindness
HPV is a:
a) Single-stranded positive RNA virus b) Double-stranded DNA virus c) Double-stranded RNA virus d) Single-stranded negative RNA virus
Determining the functional nature of a microbial community by analysis of bulk DNA samples extracted from environmental samples may be misleading for all of the following reasons EXCEPT
A. the DNA obtained can depend on the extraction method used. B. some of the DNA may be from non-functional entities such as spores. C. DNA is of little use in identifying unknown microbes. D. some of the DNA recovered may be from non-living organisms.
The world’s forests are rapidly being lost to
a. fires. b. fungal diseases. c. logging. d. hurricanes. e. decrease in soil fertility.