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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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Biology, 22.06.2019 11:00, DuckieTime
If a grape were placed in a hypertonic solution what would happen and why?
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Biology, 22.06.2019 13:00, deandrehudson18
What problem would a person most likely have if her kidney did not work correctly?
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