The importance of reflex testing in a routine physical examination is this:
It helps the physician to determine the health condition of the motor section of the nervous system.
What is the motor system?
The somatic nervous system is a part of the nervous system that sends impulses to the skeletal muscles of the body. It becomes active when there is a reflex action.
So, if reflex testing shows bad results, it might be indicative of a problem with the nervous system.
Because eukaryotes have a nucleus and that is where they hold DNA in a prokaryote they do nit havw a nucleus and can not hold DNA the same way eukaryotes do