DNA Structure and Replication

ID #1742

Does DNA polymerase I make DNA from an RNA or DNA template?

Let me answer your question with a question. After DNA polymerase I removes an RNA base and is ready to insert a DNA base in its place, where is it getting the "information" on what DNA base is supposed to be put there? I'll give you a hint -- if it happens to be removing a cytosine from the primer, it's only recognizing that it was a ribonucleotide, not that it was a cytosine.

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