This is the correct answer. In analyzing an outbreak of disease, the first thing is to identify the bacterial species involved. Then once you know the species you can move forward to determine if the outbreaks were all caused by the same strain. Which of the following tests can be used to help determine the species involved?
A) Phage typing
B) PCR
C) DNA fingerprinting
D) Gram-staining
D) Gram-staining
Feedback: Not a good choice, you need to know species to do the typing
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A DNA molecule used to carry a foreign gene into a host organism is called a
A. plasmid. B. probe. C. vector. D. blot.
Which of the following is responsible for the evolutionary success of eukaryotes?
A. possessing a dynamic cytoskeleton B. having complex patterns of gene regulation C. localizing where energy metabolism takes place D. possessing a dynamic endomembrane system E. All of the answer options are correct.
In bone, crystals of calcium phosphate impregnate the extracellular matrix containing fibers of
A. myosin. B. actin. C. collagen. D. troponin. E. chitin.
What is the greatest benefit of having used a testcross for this experiment?
A) The homozygous recessive parents are obvious to the naked eye. B) The homozygous parents are the only ones whose crossovers make a difference. C) The phenotypes of the progeny reveal the allelic content of the gamete from the heterozygous parent. D) All of the progeny will be heterozygous.