Based on the way it is used in this passage, what do you think is the closest synonym for the arable?

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.

Amoeba sisters video recap pedigrees

Do you think the gene eef1 alpha1 supports cell theory? explain your response.