Asingle unit of a base, a phosphate, and a sugar is

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.

What two atoms form a covalent bond a. a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex