Answer:
Nucleus
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Nucleolus
a small dense spherical structure in the nucleus of a cell during interphase.
We need the context of the work of you want us to answer
The dermis is the skin area along a central nerve pathway
I would hire this person because the disease is non-communicable. Plus, small cold and cough problems will not affect the performance of the person and therefore, there are little chances that he/she will take frequent holidays. Further, morally this job will help the person financially, in getting the proper treatment of the disease, if it occurs. And this will also raise the confidence and personality of the person. If the person has the skills that match our requirements, I will definitely hire him, despite his chances of developing multiple sclerosis.
Light energy into chemical energy