Please help asap timed test will decide if I fail

1.a

2.b

3.e

4.c

5.d

Explanation:

Looked up, but am not sure.

1. is A

2. is D

3. is E

4. is B

5. is C

Explanation:

Hope this helps :)

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."

answer: 45

explanationyou have to add as well to be it could be