Oceanic crust is continuously being created at mid-ocean ridges<span>. As plates diverge at these </span>ridges<span>, magma rises into the upper mantle and crust. As it moves away from the </span>ridge<span>, the lithosphere becomes cooler and denser, and sediment gradually builds on top of it.</span>
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Researchers can use molecular homologies to reveal the number of mutations in a particular sequence that has occurred in each species since they diverged from a common ancestor
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This occurs at the 3′ end position which sits on an mRNA, while a distinct tRNA anticodon triplet sequence matches a three complementary base pair mRNA codon sequence to guide appropriate amino acid into place at a ribosome activation site to form a polypeptide or protein.
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Se denominan procesos reversibles a aquellos que hacen evolucionar a un sistema termodinámico desde un estado de equilibrio inicial a otro nuevo estado de equilibrio final a través de infinitos estados de equilibrio.
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