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Biology, 22.06.2019 02:00, badpotterchris
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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What causes darkening of the skin as melanin production increases
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Biology, 22.06.2019 09:30, hjeffrey168
Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?
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Which factor can influence continual change in an ecosystem?...
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