All the DNA in a haploid set of a species' chromosomes is called a
a. DNA clone.
b. plasmid.
c. primer.
d. genome.
e. restriction site.
D
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If a clinical laboratory receives a "blind unknown" for proficiency testing (PT), it is most likely sent by which private accrediting agency?
a. CLSI b. National Accrediting Agency for Clinical Laboratory Sciences (NAACLS) c. College of American Pathologists (CAP) d. American Society of Consultant Phar-macists (ASCP)
A single "turn" of the Krebs cycle involves three different decarboxylation reactions.
a. true b. false
The valence of an atom represents its
A) ability to interact with other atoms. B) electronegativity. C) radioactivity. D) ability to attract electrons. E) ability to interact with water.
Which of the two phylogenies could have been constructed from virus samples that were sampled on the same day?
a. Phylogeny A. Phylogeny A could represent a snapshot across several hosts while most of the sequences in B were extinct when the last sample was taken. b. Phylogeny A. It is much more work-intensive to isolate multiple virus se-quences from a single host than to obtain a single sequence from multiple individuals. c. Phylogeny B. Phylogeny B could represent a snapshot of the diversity with-in a single host, while the pattern in B can only be produced by sequential infections of new hosts. d. Phylogenies A and B. Aside from logistics, there are no reasons why the samples for both phy-logenies couldn't have been obtained on the same day.