Answer:
a cell takes in DNA from outside the cell then the external DNA becomes a component of the cell's DNA.
Explanation:
True in most cases unless they erode then the younger ones will be on top
No Because There Are A Lot Of Different Elements That Make Up Just One Cell And You Have Millions Of Them That Make Up You And Different Ones For Different Functions In Your Body. So I Wouldn't Call Them Simple At All
Gametes are sex cells. They are sperm and egg.
The charge by the nucleus of a atom has a negative charge.
