18. Biotechnology
The Steps of PCR
Multiple Choice
Multiple ChoiceA molecular biologist has isolated a short segment of DNA that she wants to replicate in vitro. First she heats the DNA, which separates the two strands, and then she adds __________.
A
ribosomes, nucleosomes, and messenger RNA
B
nucleotides and ligase
C
transfer RNA, matching amino acids, and messenger RNA
D
ribosomes, matching amino acids, and primers
E
nucleotides, primers, and polymerase
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