<span>It is beneficial for it to have the ability to regulate expression because it wastes energy and raw material from the cell, that makes the cell less apt to survive</span>
The combination of genetic material from two different individuals/parents the offspring gets half the traits from the mother and the other half from the father hope this helps
They can determine which bone(s) are missing and where they are located
The cells performs <em>exocytosis </em>because it must remove the pathogen.
Based on the situation, one can infer that the receptors are antigens that are specific in their function.
I hope I helped! :)
