Identify the phases of meiosis I described below Homologous chromosomes are separated
Homologous chromosome are paired
Nuclear envelopes form around separated chromosomes
The centrosome replicates
DONE

a client has been prescribed misoprostol for the treatment of peptic ulcer disease. what is a true contraindication for this medication

Differences between compact bone and cartilage

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.