et05799 et05799 29-11-2019 Biology contestada What makes ribosomal RNA useful as a molecular clock? -A large portion of the DNA ring is not vital to structure or function, allowing it to accumulate neutral mutations. -Its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. -A slow mutation rate makes it useful for determining evolutionary relationships between ancient species. -It is only found in select organisms, making it easier to compare relationships between species that have it.