Please match the viral diagnostic method to its description.
Used to detect specific antibodies being produced against viruses
A) PCR
B) Immunological testing
C) Electron microscopy
D) Cell and tissue culture techniques
E) Observation of the patient
B) Immunological testing
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Molecular homology can be compared by analyzing the
A. sequences of amino acids of various proteins in different species. B. elemental makeup of different species. C. positions of genes on the chromosomes of different species. D. vestigial structures of different species. E. protein structure during development.
Protonephridia are found in
a. annelids. b. mammals. c. flatworms. d. insects. e. adult mollusks.
A compound similar to auxin, 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), has been used
A. as a spray to promote flowering of pineapple. B. an herbicide for killing woody seedlings and dicot weeds. C. as an organic substitute for chlorine bleach. D. to detoxify the dangerous poison dioxin. E. as a fertilizer for corn and wheat.
Which type of microscope is the most widely used and shows cells against a bright background?
A. bright-field B. dark-field C. phase-contrast D. fluorescence E. electron