Which organisms should be used to perform quality control on hippurate reagent?
a. C. coli and Campylobacter concisus
b. Campylobacter curvus and Campylobacter hyointestinalis
c. C. jejuni subsp. jejuni and C. jejuni subsp. doylei
d. C. jejuni subsp. jejuni and Campylobacter coli
D
Of the organisms listed, only C. jejuni subsp. jejuni and C. coli are positive and negative for hippurate, respectively. C. coli and C. concisus and C. curvus and C. hyointestinalis are hippu-rate-negative, and C. jejuni subsp. jejuni and C. jejuni subsp. doylei are both hippurate-positive.
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Luminol interferes with DNA testing and, therefore, should not be applied directly to a bloodstain.
a. true b. false
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