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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 13:00
Pulmonary arteries carry highly oxygenated blood. true or false?
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Biology, 22.06.2019 20:30
Besides regulating what enters and leaves the cell, what is another function of your choice from question #1?
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Biology, 22.06.2019 23:30
The greater an ecosystem's the more likely it is that some organisms could survive catastrophic environmental changes. a. species diversity b. producer population c. water availability d. carrying capacity
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If it were possible to treat nikoleta's anemia with a blood transfusion, what component of the blood...
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