Primer used for the process of polymerase chain reaction are _________

1.	Primer used for the process of polymerase chain reaction are ______________
A.	Single stranded DNA oligonucleotide
B.	Double stranded DNA oligonucleotide
C.	Single stranded RNA oligonucleotide
D.	Double stranded RNA oligonucleotide
Answer» B. Double stranded DNA oligonucleotide

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