What is in blood that makes the different blood types ? A) The type of enzyme(s) on the surface of the blood cell
B) The type of DNA inside
C) The chemical makeup of the blood molecule
D) The shape of the blood cell

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.

Your client has just been prescribed oral iron. why would you advise this client to avoid taking their medication with coffee, tea, eggs, or milk?

Which of the claims below does this model support? select all the claims that are supported