DNA Synthesis Requires a Primer. a Primer Is

Multiple Choice

DNA synthesis requires a primer. A primer is

A) an available serine hydroxyl (-OH) group on DNA polymerase III for initiation of DNA synthesis.
B) the complimentary strand of DNA.
C) an available 5'-triphosphate on the nitrogenous bases used in synthesis.
D) a short oligonucleotide with an available hydroxyl group on the ribose or deoxyribose.
E) a short oligonucleotide with an available 2'-hydroxyl group on the ribose or deoxyribose.