Which of the following is not true about performing biological investigation.. a. reading and understanding the steps bfore conducting an experiment is necessary for safety. b. scientists are trained to conduct their investigations safely. c. the metric system and the revised si are based on multiples of 10. d. most scientists do not use the metric system or si

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

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."