Suppose a segment of mitochondrial dna (mtdna) is compared between two similar modern-day species. it is known that this segment of mtdna changes at a steady rate of one base pair every 4 million years. compare the sequences of the two mtdna segments given below. species a: gcactaagcatcgattt species b: gcaccaggcactggttc use the basic principle of molecular clocks to calculate how long ago the two species diverged from a common ancestor. 12 million years ago 8 million years ago 48 million years ago 24 million years ago
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Biology, 22.06.2019 10:30, astultz309459
Anurse is caring for a client who is learning how to take care of a newly created colostomy. when observing a return demonstration of the colostomy irrigation, the nurse evaluates that more teaching is required when the client carries out what procedure?
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Biology, 22.06.2019 13:20, stefancvorovic1
Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
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Suppose a segment of mitochondrial dna (mtdna) is compared between two similar modern-day species. i...
Mathematics, 19.07.2019 00:10
Mathematics, 19.07.2019 00:10
Biology, 19.07.2019 00:10