Did you know the answer as soon as you saw the picture? It’s the hand of the One who designed the DNA molecule. He also designed everything else, as John says about Jesus, “All things were made by him; and without him was not any thing made that was made.”
The illustration is part of the cover of a biology textbook, Designs in the Living World, based on creation, rather than evolution. This book was used for a number of years in both college and high school classes, and it is now available for download as PDFs, free of charge. If you’re interested, this page will provide further information and download links.