What is the smallest distance two points can be separated and still resolved using light microscopy?
(a) 20 nm
(b) 0.2 ?m
(c) 2 ?m
(d) 200 ?m
(b)
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When the results of a GWAS experiment using 500,000 SNPs are plotted in a Manhattan plot, significantly associated SNPs are
A) data points with a ?log (p value) less than 0.05. B) data points with a ?log (p value) greater than 7. C) data points with a ?log (p value) greater than 7 that fall within a known coding sequence. D) any data points above the line of correlation.
The two image-forming lenses of a compound light microscope are
a. the condenser and objective. b. the condenser and the ocular. c. the objective and ocular. d. none of these choices.
Recent evidence suggests that the early fossils of Homo erectus may actually represent two species,
one being Homo erectus and the other species being:a. Homo sapiens. b. Homo africanus. c. Homo ergaster. d. Homo habilis. e. Homo heidelbergensis
Both Didinium and Paramecium are protists in the group called
A) slime molds. B) alveolates. C) rhizarians. D) ciliates. E) excavates.