Polymerase chain reaction (PCR)
a. requires primers, free nucleotides, DNA template and heat cycles to make copies of DNA.
b. separates fragments of DNA based on the size of the pieces.
c. is used to transcribe the information in DNA into many RNA sequences in a vial outside of a cell.
d. uses helicase to separate the two halves of the DNA by breaking the hydrogen bonds between the complementary nitrogenous bases.
