Can someone plz ! this is my last

The molecules are being aggravated, moving faster and creating heat as they become  heated they move faster and move father apart from each other, causing a rise in temperature.

it supports cell theory.it states that all living cells are made from cells

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."