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