Which of the following statement CORRECTLY identifies the differences between DN

Question

Which of the following statement CORRECTLY identifies the differences between DNA-polymerase and RNA-polymerase. A) DNA-polymerase requires a primer to replicate a single DNA molecule while RNA-polymerase which is recruited to a promoter is capable to synthesize multiple RNA molecules. B) DNA-polymerase is recruited to an origin of replication to replicate multiple DNA molecules while RNA-polymerase requires a primer to synthesize a single RNA. C) DNA-polymerase is recruited to an origin of replication to replicate multiple DNA molecules while RNA-polymerase requires a primer to synthesize multiple RNAs. DNA-polymerase requires a primer to replicate many DNA molecules while RNA-polymerase requires one primer to synthesize multiple RNA molecules.

Explanation / Answer

The only correct answer is - A) DNA-polymerase requires a primer to replicate a single DNA molecule while RNA-polymerase which is recruited to a promoter is capable to synthesize multiple RNA molecules.

DNA polymerase needs a primer with free 3' OH group to synthesize DNA molecule while RNA polymerase does not need any primer to initiate mRNA synthesis.

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