It is the area where the two chromatids of a chromosome attach to each other
<span>Cells are living units, surrounded by a membrane, with or without nucleus (this is also the majo division of cell types). Cells can live "on their own", if certain conditions are fullfilled. Viruses live inside (some) cells and they are dependent on those cells on survival</span>
Answer:
B
Explanation:
Faults are caused by all that bumping and sliding the plates do.
