DNA Sequencing by the Sanger Technique Makes Use of Dideoxynucleotides

Multiple Choice

DNA sequencing by the Sanger technique makes use of dideoxynucleotides for which of the following reasons?

A) To ensure that DNA is synthesized from only one of the two DNA strands
B) To terminate DNA synthesis at every nucleotide
C) To promote base-pairing between the newly synthesized strand and the template strand
D) To provide sites at which DNA cleavage will occur