If the template strand has two or more identical nucleotides in a row, their complementary nucleotides will be added one after the other in the same flow step. The labels on the vertical axis of the flow-gram indicate how many of the same nucleotide in a row are detected; for example, where a peak for C extends into the 3 region, it indicates 3 Cs in a row, or CCC. How are two or more of the same nucleotide (in a row) detected in the flow-gram?
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Biology, 21.06.2019 17:30
In order to clone adult animals, scientists typically begin with a(n)
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Biology, 21.06.2019 20:00
Over the past 60 years, many amphibian species have experienced significant population declines and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of the founder effect artificial selection genetic drift natural selection sexual selection
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Biology, 22.06.2019 08:30
Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
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If the template strand has two or more identical nucleotides in a row, their complementary nucleotid...
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