Of the following species, which are widely distributed in nature and hospital environments?
a. Pseudomonas luteola
b. Acinetobacter spp.
c. Pseudomonas oryzihabitans
d. Bordetella trematum
B
These organisms inhabit environmental niches; Acinetobacter spp. and S. maltophilia are widely distributed in nature and hospital environments. In contrast, P. luteola, P. oryzihabitans, and the CDC group NO-1 are not commonly encountered in the clinical setting.
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Which of the following diseases is not an autoimmune disease?
a. rheumatoid arthritis b. Graves' disease c. AIDS d. multiple sclerosis
Which are typically used for positional cloning of a disease gene in humans? (Select all that apply.)
A) analysis of several human pedigrees in which the disease is segregating B) genotyping of diseased and healthy individuals at millions of anonymous polymorphisms using microarrays C) sequencing candidate genes D) a multigenerational selective breeding program
Which of the following assumptions have to be made regarding the capture -recapture estimate of population size?
I. Marked and unmarked individuals have the same probability of being trapped. II. The marked individuals have thoroughly mixed with population after being marked. III. No individuals have entered or left the population by immigration or emigration, and no individuals have been added by birth or eliminated by death during the course of the estimate. A) I only B) II only C) I and II only D) II and III only E) I, II, and III
Which of the following is a difference between primary and secondary active transport?
A. Primary active transport moves solutes in opposite directions while secondary transport moves solutes in the same direction Primary active transport is driven by secondary active transport. B. In primary active transport, the transport protein gets phosphorylated; in secondary active transport, the transport protein is not phosphorylated. C. Energy is required for primary active transport, but not secondary active transport D. Primary active transport is driven by secondary active transport