The answer is Sodium Fluoride
I think the correct answer from the choices listed above is option B. The geologic time scale originally ordered earth's rocks by relative age. The principle is that in a sequence of undeformed sedimentary rocks the oldest beds are at the bottom and the youngest ones are at the top.
At the end of cytokinesis there no longer exists chromatids, they are just individual chromosomes.
If you're talking about Meiosis, there are 4 (HAPLOID) daughter cells produced at the end of meiosis. So each daughter cell will have HALF the number of chromosomes as the mother cell.
Whereas at the end of Mitosis there are 2 identical DIPLOID sister cells.
Sources~ yahoo answers
And just now learned it last week
Hope this helped ~ Mgd5805 :)
Energy is stored in the covalent bonds between phosphates