In DNA replication, RNA primer is necessary because
A. DNA synthesis starts and stops many times before completed.
B. DNA synthesis begins at multiple origins of replication.
C. the two strands of a replicating helix must make a full rotation to unwind.
D. DNA polymerase is unable to initiate a new polynucleotide chain.
Answer: D. DNA polymerase is unable to initiate a new polynucleotide chain.
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What will be an ideal response?