Why Are Primers Needed in DNA Sequencing

Multiple Choice

Why are primers needed in DNA sequencing?

A) DNA polymerase needs a primer because it can only add nucleotides to an existing nucleotide strand.
B) DNA polymerase needs a primer to help it recognize a vector for gene insertion.
C) DNA polymerase needs a primer for proofreading and mismatch repair after a gene has been sequenced.
D) The primer acts as a template for the dideoxynucleotides and deoxynucleotides.
E) All of the answer choices are correct.