Are You A Catalyst Or Not? (Enzyme-Substrate) Postcard
No need to be a chemist or biochemist to enjoy any of these wry science humor gifts featuring the induced-fit hypothesis of enzyme action. Featuring enzyme-substrate complex (enzyme-products complex) and the tongue-in-cheek life query that all must answer: "Are You A Catalyst Or Not?" Memorable scientific gag gifts for all who wonder about activation energy!