Polymerase Chain Reaction (PCR) Results in Discrete Length Products Because

Multiple Choice

Polymerase chain reaction (PCR) results in discrete length products because

A) Taq polymerase can only synthesize DNA of discrete size from any DNA template.
B) the reaction is terminated by denaturation at the same time following each round of polymerization.
C) the primers are of discrete size.
D) of the exponential production of run-off products.
E) the template for amplification is always a specific cloned DNA fragment.