PCR can be used to identify an unknown bacterium because
A)the DNA primer is specific to particular target DNA sequences.
B)DNA polymerase will replicate any bacterial DNA.
C)DNA can be electrophoresed.
D)all cells have DNA.
E)all cells have RNA.

Question

Quizplus · Accepted Answer

PCR uses specific DNA primer sequences that bind to the target DNA sequence in the unknown bacterium, allowing for amplification and identification of the bacterium. The other options listed are not directly related to the ability of PCR to identify an unknown bacterium.

PCR Can Be Used to Identify an Unknown Bacterium Because