Supporting cells of the nervous system, such as schwann cells, satellite cells, and types of glial cells, function to provide neurons with:

answer; ///i do believe the answer is (virus);

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."