Analytical sensitivity is concerned primarily with which of the following PCR parameters?
a. Target specificity
b. Limit of detection
c. Head-to-head comparison to a gold-standard test
d. Gram staining
B
The defined limit of detection of a PCR-based test is the lower threshold of reproducible detec-tion of the target molecule in a given sample type.
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Predict what would happen if a chromosome only connected to the mitotic spindle at one of its kinetochores?
A. One of the daughter cells would have an extra copy of that chromosome. B. The sister chromatids would not separate. C. The chromosome would not line up properly at metaphase. D. All of the above are correct.
Sensory transduction requires:
A. a change in membrane potential. B. reaction of a receptor protein with a stimulus. C. alteration of the conformation of a channel protein. D. All of the answer options are correct.
Conifer sporophytes are longer-lived, and anatomically and morphologically more complex than other
gymnosperms.
Indicate whether the statement is true or false.Like other members of their phylum, jellyfishes have specialized stinging cells called ____ as part of
their epidermis, which they use to paralyze small prey.
a. choanocytes b. polyps c. cnidocytes d. flame cells e. tentacles