Regina Bailey is a board-certified registered nurse, science writer and also educator. Her work has actually been featured in "Kaplan AP Biology" and "The net for Cellular and Molecular Biologists."
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" data-caption="DNA polymerases (blue) affix themselves to the DNA and also elongate the new strands by adding nucleotide bases." data-expand="300" id="mntl-sc-block-image_2-0-9" data-tracking-container="true"/>
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