Some snake venoms are harmful because they contain enzymes that increase the rate of a reaction that destroys blood cells and tissue cells. the damage caused by such a snakebite could best be slowed down by

cuz they cant breath

explanation:

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."