What is the scientific name for the bones that make up the fingers?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Describe the function of the endomembrane system? what organelles are involved?