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Biology, 22.06.2019 02:00
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 05:30
Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air
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Biology, 22.06.2019 07:50
Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?
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Active transport requires , moves materials from , and goes the concentration gradient...
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