Biology on Instagram: "One of the most fascinating process in biology. DNA replication is the biological process by which a cell makes an exact copy of its DNA before cell division. It's essential for growth, repair, and reproduction in all living organisms. Key Steps in DNA Replication 1. Initiation - Begins at specific sites called origins of replication. - Helicase enzyme unwinds the double helix, forming a replication bubble with two replication forks. - Single-strand binding proteins (SSBs)