Which molecules are particles could move through a lipid bilayer without the help of some type of transport protein
1) Small molecules
2) Big molecules
3) Polar molecules
4) non-polar molecules
5) Ions
6) sugar

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; i believe the correct answer is (data); /// good luck