Phenotypic testing is often beneficial in identifying infectious agents from patient samples; however, some disadvantages include
A. non-specificity of some biochemical tests since all pathogens utilize the same substrate as a fuel source.
B. organisms must be grown on the same culture media so it is difficult to distinguish them from each other.
C. lengthy culturing times and the inability to grow some bacteria in vitro.
D. difficulty in identifying motile organisms.
Answer: C
You might also like to view...
Under what circumstances does oxygenic photophosphorylation use non-cyclic photophosphorylation and when does it use cyclic photophosphorylation? Also describe what occurs during each process
What will be an ideal response?
Which of the following is the supportive element of hydrostatic skeletons?
A. a mineral matrix B. a hard outer covering C. a fluid-filled body cavity D. contractile proteins
What was the conclusion from Mendel's two factor crosses?
A. Genes randomly assort into the gametes B. Alleles for one gene randomly assort into the gametes C. The ratio of the phenotypes of the progeny depends on the phenotype of the male parent D. The ratio of the phenotypes of the progeny depends on the phenotype of the female parent
Which statement about PCR is FALSE?
A: PCR will amplify DNA, even from just a single DNA molecule. B: Amplification of DNA in a PCR reaction is exponential. C: PCR works on only a single strand of DNA at a time. D: PCR uses primers to amplify both DNA strands simultaneously. E: PCR requires DNA, primers, DNA polymerase, and nucleotides.